Extracting prog: 7m26.105908328s
Minimizing prog: 2h45m38.172691735s
Simplifying prog options: 12m48.712632552s
Extracting C: 5m23.309384395s
Simplifying C: 0s


extracting reproducer from 69 programs
testing a last program of every proc
single: executing 19 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-bpf$PROG_LOAD-bpf$BPF_PROG_TEST_RUN
detailed listing:
executing program 0:
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xc, &(0x7f0000000140)={0x5, &(0x7f0000000040)=[{0xd8d7, 0x10, 0x6, 0x6}, {0x2, 0x0, 0x7, 0x7fffffff}, {0x1, 0x8, 0x0, 0x9}, {0xd, 0x2, 0x3, 0x5}, {0x9ad, 0x4, 0x0, 0x2}]})
r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x16, 0xe, &(0x7f0000000c00)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @flow_dissector, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000340)}, 0x42)
bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000800)={r0, 0x0, 0xe, 0x0, &(0x7f0000000880)="3a173357f297c605804ab3828443", 0x0, 0x8cfd, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x50)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_open_dev$dvb_frontend-sendfile-syz_clone3-io_setup-io_submit-ioctl$FE_SET_FRONTEND
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
r6 = syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
io_setup(0x8, &(0x7f0000000280)=<r7=>0x0)
io_submit(r7, 0x1, &(0x7f0000001300)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x5, 0x6, 0xffffffffffffffff, 0x0}])
ioctl$FE_SET_FRONTEND(r6, 0x40246f4c, &(0x7f0000000080)={0x30a32c0, 0x1, @qam={0x3, 0xb, 0xa}})

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
single: successfully extracted reproducer
found reproducer with 26 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_open_dev$dvb_frontend-sendfile-syz_clone3-io_setup-io_submit
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
io_setup(0x8, &(0x7f0000000280)=<r6=>0x0)
io_submit(r6, 0x1, &(0x7f0000001300)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x5, 0x6, 0xffffffffffffffff, 0x0}])

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_open_dev$dvb_frontend-sendfile-syz_clone3-io_setup
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)
io_setup(0x8, &(0x7f0000000280))

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_open_dev$dvb_frontend-sendfile-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_open_dev$dvb_frontend-sendfile
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000040)=0x3, 0xac5)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-sendmsg$NFT_BATCH-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
r5 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$NFT_BATCH(r5, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)=ANY=[@ANYBLOB="140000001000010000000000000000000500000a28000000000a030000000000000000000a00000708000240000000020900010073797a31000000002c000000030a010100000000000000000a0000070900010073797a31000000000900030073797a320000000014000000110001"], 0x7c}, 0x1, 0x0, 0x0, 0x4000}, 0x0)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-socket$nl_netfilter-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
socket$nl_netfilter(0x10, 0x3, 0xc)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-ioctl$IOCTL_VMCI_INIT_CONTEXT-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
ioctl$IOCTL_VMCI_INIT_CONTEXT(r4, 0x7a0, &(0x7f0000000240)={@hyper, 0x1})
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-ioctl$IOCTL_VMCI_VERSION2-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
r4 = openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
ioctl$IOCTL_VMCI_VERSION2(r4, 0x7a7, &(0x7f0000000040)=0x90000)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-openat$vmci-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
openat$vmci(0xffffffffffffff9c, &(0x7f0000000140), 0x2, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-socket$nl_route-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
socket$nl_route(0x10, 0x3, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-sched_setscheduler-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
writev(0xffffffffffffffff, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-prlimit64-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prctl$PR_SCHED_CORE-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-sendmsg$nl_generic-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000180)=ANY=[@ANYBLOB], 0x20}}, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r3 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r3, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-socket-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
socket(0x10, 0x3, 0x0)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-madvise-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
r1 = socket$netlink(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r2 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r2, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_frontend_release
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-socket$netlink-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
socket$netlink(0x10, 0x3, 0x0)
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
r0 = syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$SNDRV_RAWMIDI_IOCTL_PARAMS(r0, 0xc0305710, &(0x7f00000001c0)={0x1, 0x7e, 0x22, 0x0, 0x407})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r1 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r1, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(&(0x7f0000000140), 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0)
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(0x0, 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{0x0}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(0x0, 0x0, 0x40002)
syz_clone3(&(0x7f0000000900)={0x23800000, 0x0, 0x0, 0x0, {0x27}, 0x0, 0x0, 0x0, 0x0}, 0x58)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(0x0, 0x0)

program crashed: KASAN: slab-use-after-free Write in dvb_device_put
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in dvb_frontend_release
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$admmidi-ioctl$sock_SIOCGIFINDEX-socket$can_j1939-openat$sequencer2-prlimit64-sched_setscheduler-syz_open_dev$sndmidi-writev-syz_open_dev$dvb_frontend-syz_clone3
detailed listing:
executing program 0:
syz_open_dev$admmidi(0x0, 0x20, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00'})
socket$can_j1939(0x1d, 0x2, 0x7)
openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000380)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000000)=0x7)
r0 = syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2, 0x143102)
writev(r0, &(0x7f0000000840)=[{&(0x7f00000002c0)="94", 0xf000}, {0x0}], 0x2)
syz_open_dev$dvb_frontend(&(0x7f0000000000), 0x0, 0x40002)
syz_clone3(0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in dvb_device_open
validation run: crashed=true
reproducing took 3h23m14.214904407s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in dvb_device_open+0x33f/0x3b0 drivers/media/dvb-core/dvbdev.c:99
Read of size 8 at addr ffff88802e66bc18 by task syz.3.568/8114

CPU: 1 UID: 0 PID: 8114 Comm: syz.3.568 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 dvb_device_open+0x33f/0x3b0 drivers/media/dvb-core/dvbdev.c:99
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:947
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f556575e90e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5566661b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f55666626c0 RCX: 00007f556575e90e
RDX: 0000000000040002 RSI: 00007f5566661c00 RDI: ffffffffffffff9c
RBP: 00007f5566661c00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f5565a26128 R14: 00007f5565a26090 R15: 00007ffc2e754b18
 </TASK>

Allocated by task 1:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 dvb_register_device+0x1d6/0x1e20 drivers/media/dvb-core/dvbdev.c:472
 dvb_register_frontend+0x552/0x820 drivers/media/dvb-core/dvb_frontend.c:3051
 vidtv_bridge_dvb_init drivers/media/test-drivers/vidtv/vidtv_bridge.c:438 [inline]
 vidtv_bridge_probe+0x44b/0xa30 drivers/media/test-drivers/vidtv/vidtv_bridge.c:510
 platform_probe+0x106/0x1d0 drivers/base/platform.c:1439
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:383
 bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 vidtv_bridge_init+0x52/0x80 drivers/media/test-drivers/vidtv/vidtv_bridge.c:602
 do_one_initcall+0x11d/0x700 init/main.c:1347
 do_initcall_level init/main.c:1409 [inline]
 do_initcalls init/main.c:1425 [inline]
 do_basic_setup init/main.c:1445 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1658
 kernel_init+0x1f/0x1e0 init/main.c:1548
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 8107:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6692
 dvb_free_device drivers/media/dvb-core/dvbdev.c:616 [inline]
 kref_put include/linux/kref.h:65 [inline]
 dvb_device_put.part.0+0x57/0x90 drivers/media/dvb-core/dvbdev.c:629
 dvb_device_put drivers/media/dvb-core/dvbdev.c:628 [inline]
 dvb_device_open+0x2ba/0x3b0 drivers/media/dvb-core/dvbdev.c:113
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:947
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802e66bc00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 24 bytes inside of
 freed 256-byte region [ffff88802e66bc00, ffff88802e66bd00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2e66a
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88813fe21b40 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88813fe21b40 dead000000000100 dead000000000122
head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 00fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 8898014265, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab mm/slub.c:3380 [inline]
 new_slab+0xa2/0x640 mm/slub.c:3426
 refill_objects+0xe3/0x410 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __kmalloc_cache_noprof+0x479/0x6c0 mm/slub.c:5485
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 bus_add_driver+0x92/0x5b0 drivers/base/bus.c:747
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 usb_register_driver drivers/usb/core/driver.c:1078 [inline]
 usb_register_driver+0x21c/0x3e0 drivers/usb/core/driver.c:1060
 do_one_initcall+0x11d/0x700 init/main.c:1347
 do_initcall_level init/main.c:1409 [inline]
 do_initcalls init/main.c:1425 [inline]
 do_basic_setup init/main.c:1445 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1658
 kernel_init+0x1f/0x1e0 init/main.c:1548
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802e66bb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802e66bb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802e66bc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88802e66bc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88802e66bd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in dvb_device_open+0x33f/0x3b0 drivers/media/dvb-core/dvbdev.c:99
Read of size 8 at addr ffff88802e66bc18 by task syz.3.568/8114

CPU: 1 UID: 0 PID: 8114 Comm: syz.3.568 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 dvb_device_open+0x33f/0x3b0 drivers/media/dvb-core/dvbdev.c:99
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:947
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f556575e90e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f5566661b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f55666626c0 RCX: 00007f556575e90e
RDX: 0000000000040002 RSI: 00007f5566661c00 RDI: ffffffffffffff9c
RBP: 00007f5566661c00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f5565a26128 R14: 00007f5565a26090 R15: 00007ffc2e754b18
 </TASK>

Allocated by task 1:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 dvb_register_device+0x1d6/0x1e20 drivers/media/dvb-core/dvbdev.c:472
 dvb_register_frontend+0x552/0x820 drivers/media/dvb-core/dvb_frontend.c:3051
 vidtv_bridge_dvb_init drivers/media/test-drivers/vidtv/vidtv_bridge.c:438 [inline]
 vidtv_bridge_probe+0x44b/0xa30 drivers/media/test-drivers/vidtv/vidtv_bridge.c:510
 platform_probe+0x106/0x1d0 drivers/base/platform.c:1439
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __driver_attach+0x21f/0x5b0 drivers/base/dd.c:1292
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:383
 bus_add_driver+0x305/0x5b0 drivers/base/bus.c:763
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 vidtv_bridge_init+0x52/0x80 drivers/media/test-drivers/vidtv/vidtv_bridge.c:602
 do_one_initcall+0x11d/0x700 init/main.c:1347
 do_initcall_level init/main.c:1409 [inline]
 do_initcalls init/main.c:1425 [inline]
 do_basic_setup init/main.c:1445 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1658
 kernel_init+0x1f/0x1e0 init/main.c:1548
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 8107:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6692
 dvb_free_device drivers/media/dvb-core/dvbdev.c:616 [inline]
 kref_put include/linux/kref.h:65 [inline]
 dvb_device_put.part.0+0x57/0x90 drivers/media/dvb-core/dvbdev.c:629
 dvb_device_put drivers/media/dvb-core/dvbdev.c:628 [inline]
 dvb_device_open+0x2ba/0x3b0 drivers/media/dvb-core/dvbdev.c:113
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:947
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff88802e66bc00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 24 bytes inside of
 freed 256-byte region [ffff88802e66bc00, ffff88802e66bd00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2e66a
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88813fe21b40 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88813fe21b40 dead000000000100 dead000000000122
head: 0000000000000000 0000000800100010 00000000f5000000 0000000000000000
head: 00fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 8898014265, free_ts 0
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab mm/slub.c:3380 [inline]
 new_slab+0xa2/0x640 mm/slub.c:3426
 refill_objects+0xe3/0x410 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __kmalloc_cache_noprof+0x479/0x6c0 mm/slub.c:5485
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 bus_add_driver+0x92/0x5b0 drivers/base/bus.c:747
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 usb_register_driver drivers/usb/core/driver.c:1078 [inline]
 usb_register_driver+0x21c/0x3e0 drivers/usb/core/driver.c:1060
 do_one_initcall+0x11d/0x700 init/main.c:1347
 do_initcall_level init/main.c:1409 [inline]
 do_initcalls init/main.c:1425 [inline]
 do_basic_setup init/main.c:1445 [inline]
 kernel_init_freeable+0x6ea/0x7b0 init/main.c:1658
 kernel_init+0x1f/0x1e0 init/main.c:1548
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88802e66bb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88802e66bb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88802e66bc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88802e66bc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88802e66bd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================