program: r0 = openat$ndctl0(0xffffffffffffff9c, &(0x7f0000000000), 0x2a4d82, 0x0) sendmsg$inet_sctp(r0, &(0x7f00000004c0)={&(0x7f0000000040)=@in6={0xa, 0x4e21, 0x4, @mcast2, 0x2edc}, 0x1c, &(0x7f00000003c0)=[{&(0x7f0000000080)="0f41462b26ecb11ea409d3b622eb0599f6168bd0dbe9a2c408ce7ee274a4162c9c482a723860329170cef63dc9f0488ed385dd02742f3b26beb6", 0x3a}, {&(0x7f00000000c0)="8774c4876721e9a90606e0a7cae76be2522c84626f0f1e5f49728b9d595261a7d33aa8937731c87e4f23a1ea97da985a86e1ebed5eb89b949de7641d983c5eaafe47150b201ba01c0c2a85b71d38fb42e2ee96840b6dd7fe83fc94d93dc96292ec28e789", 0x64}, {&(0x7f0000000140)="32afd2c17ff316e285ecdecdc38f1e96fa8ece48eec1491fcf5076f950ecfe6e8c798cf4328ba655d71f635ebc83ba08a65129b3a8c48fba8318d2a0c37b40822b78becfc3fbbd2645a3244ca507cb808dfa291127", 0x55}, {&(0x7f00000001c0)="5a31063ccc47bbe39627d51826d594e476ebec435c14b446780a6255858c3a4e6fb6a93d8591cdd31cebcd0e2b2641ad5bc065fff159d015d25cd257ca5cf288d6bbd54128130d15d08920f1512ac50bb571352473d708901af817259dd5732a5df4b562a64029ec809d0f89dfe917249edadf15aa03992927c69fa5b2e6cb3b834419b1ea591c63c3fae96122bfd4d0be83307daffda8ed92e5", 0x9a}, {&(0x7f0000000280)="c43763b79ae5a50cd2b38e0cc4895e38e68451143671b5fadcbd79c6dc0e02858dc2415bed268b92c98fd1346adf6606b0d92bb80c82e96a2dd9b04a9a716098a843cf1a81ac212624c6fe2084ae196a198d2367664bd757adaddbb48a08184bc43046", 0x63}, {&(0x7f0000000300)="eb53d0ac37ae4feb504f41d69dda01e818eacfc9db88d75f101d720e0dd84436258e6a8bb66f75bc0886d53684c1e93f373d5fa3a51d125df32be59ae206bffb4e13a3e98a9772e32bb143763552803a79aff3e06edf8d786b44b7817e5da4ac4466b9022e7dcb16bc2e708c9616638eac79311005d5236118585ecb8bc9b4067b5ed476d18a5a581074a924942bccd3ec37c75c9192fe21a7171c0439573248b7e5d0e651f399c689e04a", 0xab}], 0x6, &(0x7f0000000440)=[@dstaddrv6={0x20, 0x84, 0x8, @empty}, @authinfo={0x18, 0x84, 0x6, {0x2}}, @init={0x18, 0x84, 0x0, {0xffff, 0x8, 0x5}}], 0x50, 0x20000000}, 0x20000800) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000500)={0x0, 0x4, 0x5e, 0x7, 0xb, 0x9}, &(0x7f0000000540)=0x14) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000580)={0x9, 0x206, 0x8, 0x8, r1}, 0x10) getsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f00000005c0), &(0x7f0000000600)=0x4) ioctl$sock_inet_SIOCRTMSG(0xffffffffffffffff, 0x890d, &(0x7f0000000680)={0x0, {0x2, 0x4e20, @broadcast}, {0x2, 0x4e24, @broadcast}, {0x2, 0x4e24, @local}, 0x10, 0x0, 0x0, 0x0, 0x4, &(0x7f0000000640)='gre0\x00', 0x6c89, 0x2, 0x4}) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000700)={0x3, 0x400, 0x0, 0x10, 0x8000, 0xffff04e5, 0x7, 0x333, r1}, &(0x7f0000000740)=0x20) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r0, 0x84, 0x23, &(0x7f0000000780)={r2, 0x7}, 0x8) setsockopt$inet6_IPV6_RTHDR(r0, 0x29, 0x39, &(0x7f00000007c0)={0x87, 0x2, 0x2, 0xb, 0x0, [@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02']}, 0x18) r3 = accept$phonet_pipe(r0, &(0x7f0000000800), &(0x7f0000000840)=0x10) ioctl$EXT4_IOC_GROUP_ADD(r3, 0x40286608, &(0x7f0000000880)={0x5, 0x4, 0xc9, 0x7, 0x5, 0x9}) prctl$PR_SET_MM_EXE_FILE(0x23, 0xd, r0) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f00000008c0)={r2, 0x9, 0x4, [0x80f7, 0x401, 0xfffa, 0x3]}, &(0x7f0000000900)=0x10) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r0, 0x84, 0x18, &(0x7f0000000940)={r1, 0x3}, &(0x7f0000000980)=0x8) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f00000009c0)={{&(0x7f0000ffc000/0x2000)=nil, 0x2000}, 0x5}) ioctl$HIDIOCSUSAGE(r0, 0x4018480c, &(0x7f0000000a00)={0x2, 0x1, 0x1, 0x7fffffff, 0x4480, 0x7}) getsockopt$EBT_SO_GET_INIT_ENTRIES(r0, 0x0, 0x83, &(0x7f0000000bc0)={'filter\x00', 0x0, 0x4, 0xe6, [0x6, 0xffffffffffffffff, 0x100000001, 0x1, 0x2, 0x2], 0x7, &(0x7f0000000a40)=[{}, {}, {}, {}, {}, {}, {}], &(0x7f0000000ac0)=""/230}, &(0x7f0000000c40)=0x78) r4 = dup(r3) r5 = accept$netrom(r4, 0x0, &(0x7f0000000c80)) fdatasync(r5) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000cc0)={r2, 0x10001}, &(0x7f0000000d00)=0x8) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r4, 0x84, 0x18, &(0x7f0000000d40)={r6, 0x552}, 0x8) ioctl$DRM_IOCTL_MODE_GETCRTC(r4, 0xc06864a1, &(0x7f0000000dc0)={&(0x7f0000000d80)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], 0x7, 0x0, 0x0}) ioctl$DRM_IOCTL_PANTHOR_BO_CREATE(r4, 0xc0186445, &(0x7f0000000e40)={0x7fffffffffffffff, 0x3, 0x0, 0x0}) ioctl$DRM_IOCTL_PANTHOR_BO_CREATE(r4, 0xc0186445, &(0x7f0000000e80)={0x80000000, 0x0, 0x0, 0x0}) ioctl$DRM_IOCTL_PANTHOR_BO_QUERY_INFO(r0, 0xc0106450, &(0x7f0000000ec0)={0x0, 0x0, 0x6}) ioctl$DRM_IOCTL_MODE_ADDFB2(r4, 0xc06864b8, &(0x7f0000000f00)={r7, 0x9, 0x8, 0x8, 0x3, [0x0, r8, r9, r10], [0x8, 0x7, 0xfffffeff, 0x9], [0x1, 0x4, 0x7, 0x6e], [0xfffffffffffffff8, 0x5, 0x7fffffffffffffff, 0x4]}) ioctl$BTRFS_IOC_START_SYNC(r5, 0x80089418, &(0x7f0000000f80)) ioctl$FAT_IOCTL_GET_VOLUME_ID(r4, 0x80047213, &(0x7f0000000fc0)) bpf$OBJ_PIN_PROG(0x6, &(0x7f0000001380)=@o_path={&(0x7f0000001000)='./file0\x00', r4}, 0x18) [ 78.880807][ T5319] RIP: 0033:0x7f793839c799 [ 78.880818][ T5319] Code: Unable to access opcode bytes at 0x7f793839c76f. [ 78.880822][ T5319] RSP: 002b:00007f79347f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 78.880833][ T5319] RAX: 0000200000800000 RBX: 00007f7938616090 RCX: 00007f793839c799 [ 78.880839][ T5319] RDX: 0000000003000009 RSI: 0000000000800000 RDI: 0000200000800000 [ 78.880843][ T5319] RBP: 00007f7938432bd9 R08: ffffffffffffffff R09: 0000000000000000 [ 78.880849][ T5319] R10: 0000000000046031 R11: 0000000000000246 R12: 0000000000000000 [ 78.880853][ T5319] R13: 00007f7938616128 R14: 00007f7938616090 R15: 00007fff05928028 [ 78.880865][ T5319] [ 79.097676][ T5319] Mem-Info: [ 79.099422][ T5319] active_anon:5640 inactive_anon:0 isolated_anon:0 [ 79.099422][ T5319] active_file:872 inactive_file:38970 isolated_file:0 [ 79.099422][ T5319] unevictable:1768 dirty:0 writeback:0 [ 79.099422][ T5319] slab_reclaimable:7357 slab_unreclaimable:30933 [ 79.099422][ T5319] mapped:1163 shmem:6341 pagetables:351 [ 79.099422][ T5319] sec_pagetables:289 bounce:0 [ 79.099422][ T5319] kernel_misc_reclaimable:0 [ 79.099422][ T5319] free:51007 free_pcp:322 free_cma:0 [ 79.123843][ T5319] Node 0 active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:0kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2720kB pagetables:556kB sec_pagetables:1084kB all_unreclaimable? yes Balloon:0kB [ 79.139220][ T5319] Node 0 DMA free:2044kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 79.153990][ T5319] lowmem_reserve[]: 0 114 114 114 114 [ 79.156628][ T5319] Node 0 DMA32 free:6444kB boost:2048kB min:6460kB low:7560kB high:8660kB reserved_highatomic:0KB free_highatomic:0KB active_anon:16kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:770052kB managed:116752kB mlocked:0kB bounce:0kB free_pcp:1748kB local_pcp:1748kB free_cma:0kB [ 79.170508][ T5319] lowmem_reserve[]: 0 0 0 0 0 [ 79.173887][ T5319] Node 0 DMA: 15*4kB (U) 8*8kB (U) 6*16kB (U) 13*32kB (U) 2*64kB (U) 2*128kB (U) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 2044kB [ 79.180434][ T5319] Node 0 DMA32: 11*4kB (UME) 12*8kB (UME) 8*16kB (ME) 13*32kB (UME) 8*64kB (UME) 7*128kB (UM) 7*256kB (UM) 5*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 6444kB [ 79.187618][ T5319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 79.192856][ T5319] Node 0 hugepages_total=2 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 79.197685][ T5319] 46227 total pagecache pages [ 79.200167][ T5319] 45 pages in swap cache [ 79.203303][ T5319] Free swap = 124428kB [ 79.205302][ T5319] Total swap = 124996kB [ 79.207213][ T5319] 393083 pages RAM [ 79.209115][ T5319] 0 pages HighMem/MovableOnly [ 79.212628][ T5319] 187352 pages reserved [ 79.215249][ T5319] 0 pages cma reserved [ 79.217024][ T5319] oom-kill:constraint=CONSTRAINT_MEMORY_POLICY,nodemask=0,cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dbus-daemon,pid=4995,uid=100 [ 79.223615][ T5319] Out of memory: Killed process 4995 (dbus-daemon) total-vm:4752kB, anon-rss:224kB, file-rss:448kB, shmem-rss:0kB, UID:100 pgtables:44kB oom_score_adj:0 [ 79.242081][ T5319] Out of memory: Killed process 5097 (getty) total-vm:4044kB, anon-rss:184kB, file-rss:16kB, shmem-rss:0kB, UID:0 pgtables:48kB oom_score_adj:0 [ 79.261678][ T5319] Out of memory: Killed process 5091 (crond) total-vm:4044kB, anon-rss:176kB, file-rss:20kB, shmem-rss:0kB, UID:0 pgtables:48kB oom_score_adj:0 [ 79.276584][ T5319] Out of memory: Killed process 4700 (acpid) total-vm:2520kB, anon-rss:0kB, file-rss:4kB, shmem-rss:0kB, UID:0 pgtables:48kB oom_score_adj:0 [ 79.297148][ T5319] syz.0.0 invoked oom-killer: gfp_mask=0x2cc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN), order=0, oom_score_adj=1000 [ 79.305580][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 79.305605][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 79.305624][ T5319] Call Trace: [ 79.305629][ T5319] [ 79.305667][ T5319] dump_stack_lvl+0xe8/0x150 [ 79.305767][ T5319] dump_header+0xd3/0x4c0 [ 79.305784][ T5319] out_of_memory+0x1084/0x1410 [ 79.305819][ T5319] ? __pfx_out_of_memory+0x10/0x10 [ 79.305842][ T5319] __alloc_pages_may_oom+0x1ea/0x330 [ 79.305859][ T5319] ? __next_zones_zonelist+0x9d/0x130 [ 79.305876][ T5319] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 79.305890][ T5319] ? unreserve_highatomic_pageblock+0x474/0x610 [ 79.305916][ T5319] __alloc_pages_slowpath+0x6c2/0xd40 [ 79.305941][ T5319] __alloc_frozen_pages_noprof+0x322/0x380 [ 79.305955][ T5319] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 79.305969][ T5319] ? __pfx_policy_nodemask+0x10/0x10 [ 79.305984][ T5319] ? __split_page_owner+0x2d/0x300 [ 79.306005][ T5319] alloc_pages_mpol+0x232/0x4a0 [ 79.306020][ T5319] alloc_pages_noprof+0xa8/0x190 [ 79.306033][ T5319] __vmalloc_node_range_noprof+0xc22/0x1730 [ 79.306066][ T5319] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 79.306081][ T5319] ? __mutex_unlock_slowpath+0x1bd/0x7d0 [ 79.306138][ T5319] ? __pfx___mutex_lock+0x10/0x10 [ 79.306149][ T5319] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 79.306162][ T5319] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 79.306200][ T5319] vmalloc_noprof+0xb2/0xe0 [ 79.306211][ T5319] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 79.306221][ T5319] snd_dma_alloc_dir_pages+0x120/0x220 [ 79.306232][ T5319] do_alloc_pages+0x175/0x2c0 [ 79.306248][ T5319] snd_pcm_lib_malloc_pages+0x33a/0x790 [ 79.306267][ T5319] snd_pcm_hw_params+0x816/0x1d60 [ 79.306292][ T5319] ? lockdep_hardirqs_on+0x7a/0x110 [ 79.306313][ T5319] ? __pfx_snd_pcm_hw_params+0x10/0x10 [ 79.306328][ T5319] ? snd_pcm_hw_param_near+0x365/0x4d0 [ 79.306345][ T5319] ? snd_pcm_drop+0xa5/0x5b0 [ 79.306360][ T5319] ? snd_pcm_kernel_ioctl+0x119/0x9a0 [ 79.306378][ T5319] snd_pcm_oss_change_params_locked+0x201f/0x3e00 [ 79.306408][ T5319] ? __pfx_snd_pcm_oss_change_params_locked+0x10/0x10 [ 79.306420][ T5319] ? ima_file_free+0x170/0x4e0 [ 79.306469][ T5319] ? __pfx_ima_file_free+0x10/0x10 [ 79.306481][ T5319] ? __asan_memset+0x22/0x50 [ 79.306509][ T5319] snd_pcm_oss_sync+0x43a/0xfc0 [ 79.306525][ T5319] snd_pcm_oss_release+0xff/0x250 [ 79.306538][ T5319] ? __pfx_snd_pcm_oss_release+0x10/0x10 [ 79.306550][ T5319] __fput+0x44f/0xa70 [ 79.306571][ T5319] task_work_run+0x1d9/0x270 [ 79.306599][ T5319] ? __pfx_task_work_run+0x10/0x10 [ 79.306610][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 79.306626][ T5319] do_exit+0x69b/0x2320 [ 79.306641][ T5319] ? preempt_schedule_common+0x82/0xd0 [ 79.306659][ T5319] ? __pfx_do_exit+0x10/0x10 [ 79.306672][ T5319] ? do_raw_spin_lock+0x12b/0x2f0 [ 79.306688][ T5319] do_group_exit+0x21b/0x2d0 [ 79.306700][ T5319] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.306716][ T5319] get_signal+0x1284/0x1330 [ 79.306743][ T5319] arch_do_signal_or_restart+0xbc/0x830 [ 79.306760][ T5319] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 79.306771][ T5319] ? rcu_is_watching+0x15/0xb0 [ 79.306798][ T5319] exit_to_user_mode_loop+0x86/0x480 [ 79.306812][ T5319] ? rcu_is_watching+0x15/0xb0 [ 79.306830][ T5319] do_syscall_64+0x32d/0xf80 [ 79.306846][ T5319] ? trace_irq_disable+0x3b/0x150 [ 79.306863][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.306875][ T5319] ? clear_bhb_loop+0x40/0x90 [ 79.306889][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.306900][ T5319] RIP: 0033:0x7f793839c799 [ 79.306911][ T5319] Code: Unable to access opcode bytes at 0x7f793839c76f. [ 79.306916][ T5319] RSP: 002b:00007f79347f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 79.306946][ T5319] RAX: 0000200000800000 RBX: 00007f7938616090 RCX: 00007f793839c799 [ 79.306954][ T5319] RDX: 0000000003000009 RSI: 0000000000800000 RDI: 0000200000800000 [ 79.306961][ T5319] RBP: 00007f7938432bd9 R08: ffffffffffffffff R09: 0000000000000000 [ 79.306968][ T5319] R10: 0000000000046031 R11: 0000000000000246 R12: 0000000000000000 [ 79.306975][ T5319] R13: 00007f7938616128 R14: 00007f7938616090 R15: 00007fff05928028 [ 79.306994][ T5319] [ 79.307000][ T5319] Mem-Info: [ 79.532826][ T5319] active_anon:5495 inactive_anon:1 isolated_anon:0 [ 79.532826][ T5319] active_file:872 inactive_file:38970 isolated_file:0 [ 79.532826][ T5319] unevictable:1768 dirty:0 writeback:0 [ 79.532826][ T5319] slab_reclaimable:7357 slab_unreclaimable:30788 [ 79.532826][ T5319] mapped:1055 shmem:6341 pagetables:303 [ 79.532826][ T5319] sec_pagetables:289 bounce:0 [ 79.532826][ T5319] kernel_misc_reclaimable:0 [ 79.532826][ T5319] free:51007 free_pcp:465 free_cma:0 [ 79.553875][ T5319] Node 0 active_anon:12kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:0kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2656kB pagetables:508kB sec_pagetables:1084kB all_unreclaimable? yes Balloon:0kB [ 79.569012][ T5319] Node 0 DMA free:2044kB boost:2048kB min:2808kB low:2996kB high:3184kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 79.584213][ T5319] lowmem_reserve[]: 0 114 114 114 114 [ 79.587014][ T5319] Node 0 DMA32 free:6444kB boost:2048kB min:6460kB low:7560kB high:8660kB reserved_highatomic:0KB free_highatomic:0KB active_anon:12kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:770052kB managed:116752kB mlocked:0kB bounce:0kB free_pcp:1860kB local_pcp:1860kB free_cma:0kB [ 79.602776][ T5319] lowmem_reserve[]: 0 0 0 0 0 [ 79.605596][ T5319] Node 0 DMA: 15*4kB (U) 8*8kB (U) 6*16kB (U) 13*32kB (U) 2*64kB (U) 2*128kB (U) 0*256kB 0*512kB 1*1024kB (U) 0*2048kB 0*4096kB = 2044kB [ 79.612183][ T5319] Node 0 DMA32: 11*4kB (UME) 12*8kB (UME) 8*16kB (ME) 13*32kB (UME) 8*64kB (UME) 7*128kB (UM) 7*256kB (UM) 5*512kB (UM) 0*1024kB 0*2048kB 0*4096kB = 6444kB [ 79.619623][ T5319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 79.624084][ T5319] Node 0 hugepages_total=2 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 79.628306][ T5319] 46227 total pagecache pages [ 79.630403][ T5319] 45 pages in swap cache [ 79.633244][ T5319] Free swap = 124568kB [ 79.635010][ T5319] Total swap = 124996kB [ 79.636943][ T5319] 393083 pages RAM [ 79.638771][ T5319] 0 pages HighMem/MovableOnly [ 79.641311][ T5319] 187352 pages reserved [ 79.643744][ T5319] 0 pages cma reserved [ 79.645623][ T5319] Out of memory and no killable processes... [ 79.648496][ T5319] Kernel panic - not syncing: System is deadlocked on memory [ 79.651808][ T5319] CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 79.656065][ T5319] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 79.661814][ T5319] Call Trace: [ 79.664060][ T5319] [ 79.665581][ T5319] vpanic+0x56c/0xa60 [ 79.667675][ T5319] ? __pfx_vprintk_emit+0x10/0x10 [ 79.670037][ T5319] ? __pfx_vpanic+0x10/0x10 [ 79.671954][ T5319] panic+0xc5/0xd0 [ 79.673525][ T5319] ? __pfx_panic+0x10/0x10 [ 79.675558][ T5319] ? dump_stack_lvl+0x103/0x150 [ 79.677870][ T5319] ? dump_header+0x3f5/0x4c0 [ 79.680703][ T5319] out_of_memory+0x1378/0x1410 [ 79.683298][ T5319] ? __pfx_out_of_memory+0x10/0x10 [ 79.685510][ T5319] __alloc_pages_may_oom+0x1ea/0x330 [ 79.687820][ T5319] ? __next_zones_zonelist+0x9d/0x130 [ 79.690263][ T5319] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 79.693034][ T5319] ? unreserve_highatomic_pageblock+0x474/0x610 [ 79.696988][ T5319] __alloc_pages_slowpath+0x6c2/0xd40 [ 79.699699][ T5319] __alloc_frozen_pages_noprof+0x322/0x380 [ 79.702373][ T5319] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 79.705075][ T5319] ? __pfx_policy_nodemask+0x10/0x10 [ 79.707436][ T5319] ? __split_page_owner+0x2d/0x300 [ 79.710266][ T5319] alloc_pages_mpol+0x232/0x4a0 [ 79.712723][ T5319] alloc_pages_noprof+0xa8/0x190 [ 79.715155][ T5319] __vmalloc_node_range_noprof+0xc22/0x1730 [ 79.717599][ T5319] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 79.720948][ T5319] ? __mutex_unlock_slowpath+0x1bd/0x7d0 [ 79.723321][ T5319] ? __pfx___mutex_lock+0x10/0x10 [ 79.725591][ T5319] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 79.728106][ T5319] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 79.731074][ T5319] vmalloc_noprof+0xb2/0xe0 [ 79.733601][ T5319] ? snd_dma_alloc_dir_pages+0x120/0x220 [ 79.736979][ T5319] snd_dma_alloc_dir_pages+0x120/0x220 [ 79.740291][ T5319] do_alloc_pages+0x175/0x2c0 [ 79.742665][ T5319] snd_pcm_lib_malloc_pages+0x33a/0x790 [ 79.745378][ T5319] snd_pcm_hw_params+0x816/0x1d60 [ 79.747551][ T5319] ? lockdep_hardirqs_on+0x7a/0x110 [ 79.749938][ T5319] ? __pfx_snd_pcm_hw_params+0x10/0x10 [ 79.752388][ T5319] ? snd_pcm_hw_param_near+0x365/0x4d0 [ 79.754845][ T5319] ? snd_pcm_drop+0xa5/0x5b0 [ 79.756925][ T5319] ? snd_pcm_kernel_ioctl+0x119/0x9a0 [ 79.759584][ T5319] snd_pcm_oss_change_params_locked+0x201f/0x3e00 [ 79.763033][ T5319] ? __pfx_snd_pcm_oss_change_params_locked+0x10/0x10 [ 79.766203][ T5319] ? ima_file_free+0x170/0x4e0 [ 79.768619][ T5319] ? __pfx_ima_file_free+0x10/0x10 [ 79.771073][ T5319] ? __asan_memset+0x22/0x50 [ 79.773709][ T5319] snd_pcm_oss_sync+0x43a/0xfc0 [ 79.776599][ T5319] snd_pcm_oss_release+0xff/0x250 [ 79.778984][ T5319] ? __pfx_snd_pcm_oss_release+0x10/0x10 [ 79.781312][ T5319] __fput+0x44f/0xa70 [ 79.782965][ T5319] task_work_run+0x1d9/0x270 [ 79.784820][ T5319] ? __pfx_task_work_run+0x10/0x10 [ 79.786890][ T5319] ? do_raw_spin_unlock+0x4d/0x210 [ 79.789030][ T5319] do_exit+0x69b/0x2320 [ 79.790923][ T5319] ? preempt_schedule_common+0x82/0xd0 [ 79.793687][ T5319] ? __pfx_do_exit+0x10/0x10 [ 79.796287][ T5319] ? do_raw_spin_lock+0x12b/0x2f0 [ 79.798685][ T5319] do_group_exit+0x21b/0x2d0 [ 79.800571][ T5319] ? _raw_spin_unlock_irq+0x23/0x50 [ 79.802625][ T5319] get_signal+0x1284/0x1330 [ 79.804757][ T5319] arch_do_signal_or_restart+0xbc/0x830 [ 79.807370][ T5319] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 79.811340][ T5319] ? rcu_is_watching+0x15/0xb0 [ 79.813849][ T5319] exit_to_user_mode_loop+0x86/0x480 [ 79.816305][ T5319] ? rcu_is_watching+0x15/0xb0 [ 79.818476][ T5319] do_syscall_64+0x32d/0xf80 [ 79.820549][ T5319] ? trace_irq_disable+0x3b/0x150 [ 79.822822][ T5319] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.825874][ T5319] ? clear_bhb_loop+0x40/0x90 [ 79.828693][ T5319] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.831999][ T5319] RIP: 0033:0x7f793839c799 [ 79.834102][ T5319] Code: Unable to access opcode bytes at 0x7f793839c76f. [ 79.836948][ T5319] RSP: 002b:00007f79347f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 79.840812][ T5319] RAX: 0000200000800000 RBX: 00007f7938616090 RCX: 00007f793839c799 [ 79.844557][ T5319] RDX: 0000000003000009 RSI: 0000000000800000 RDI: 0000200000800000 [ 79.848690][ T5319] RBP: 00007f7938432bd9 R08: ffffffffffffffff R09: 0000000000000000 [ 79.852173][ T5319] R10: 0000000000046031 R11: 0000000000000246 R12: 0000000000000000 [ 79.855995][ T5319] R13: 00007f7938616128 R14: 00007f7938616090 R15: 00007fff05928028 [ 79.859650][ T5319] [ 79.861421][ T5319] Kernel Offset: disabled [ 79.863532][ T5319] Rebooting in 86400 seconds.. [ 73.912425][ T5297] Bluetooth: hci0: command tx timeout