program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/nvmet/subsystems/subsys1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/nvmet/subsystems/subsys1/namespaces/1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x42, 0x1a4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/nvmet/subsystems/subsys1/namespaces/1/device_path\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='./file0\x00', 0x8) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/nvmet/subsystems/subsys1/namespaces/1/buffered_io\x00', 0x1, 0x0) write(r2, &(0x7f0000000200)='1\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/nvmet/subsystems/subsys1/namespaces/1/enable\x00', 0x1, 0x0) write(r3, &(0x7f0000000200)='1\x00', 0x2) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r4, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000001c0)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x1}}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x401, 0x0, 0x0, {0x1, 0x0, 0x3}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x2c, 0x3, 0xa, 0x101, 0x0, 0x0, {0x1}, [@NFTA_CHAIN_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_CHAIN_NAME={0x9, 0x3, 'syz2\x00'}]}, @NFT_MSG_NEWRULE={0x98, 0x6, 0xa, 0x401, 0x0, 0x0, {0x1}, [@NFTA_RULE_CHAIN_ID={0x8}, @NFTA_RULE_EXPRESSIONS={0x70, 0x4, 0x0, 0x1, [{0x34, 0x1, 0x0, 0x1, @exthdr={{0xb}, @val={0x24, 0x2, 0x0, 0x1, [@NFTA_EXTHDR_DREG={0x8, 0x1, 0x1, 0x0, 0xc}, @NFTA_EXTHDR_OFFSET={0x8}, @NFTA_EXTHDR_LEN={0x8, 0x4, 0x1, 0x0, 0x22}, @NFTA_EXTHDR_TYPE={0x5, 0x2, 0x7}]}}}, {0x38, 0x1, 0x0, 0x1, @bitwise={{0xc}, @val={0x28, 0x2, 0x0, 0x1, [@NFTA_BITWISE_LEN={0x8, 0x3, 0x1, 0x0, 0x2}, @NFTA_BITWISE_SREG={0x8, 0x1, 0x1, 0x0, 0x14}, @NFTA_BITWISE_DREG={0x8, 0x2, 0x1, 0x0, 0x12}, @NFTA_BITWISE_MASK={0x4}, @NFTA_BITWISE_OP={0x8, 0x6, 0x1, 0x0, 0x4}]}}}]}, @NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x7}}}, 0x10c}}, 0x0) read$FUSE(r1, &(0x7f0000000240)={0x2020, 0x0, 0x0, 0x0}, 0x2020) r6 = socket$nl_generic(0x10, 0x3, 0x10) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x777) r7 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0) write(r7, &(0x7f0000000380)='1', 0x1) r8 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0) write(r8, &(0x7f0000000200)='1', 0x1) r9 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0) write(r9, &(0x7f0000000280)='0', 0x1) sendmsg$nl_generic(r6, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000140)={0x14, 0x2f, 0x9, 0x70bd27, 0x0, {0x4}}, 0x14}, 0x1, 0x0, 0x0, 0x42804}, 0x10) read$FUSE(r1, &(0x7f0000002280)={0x2020, 0x0, 0x0, 0x0, 0x0}, 0x2020) fchownat(0xffffffffffffffff, &(0x7f0000000040)='./config\x00', r5, r10, 0x400) write(r2, &(0x7f0000000200)='0\x00', 0x2) [ 92.147125][ T5273] Bluetooth: hci0: command tx timeout [ 92.193509][ T9] cfg80211: failed to load regulatory.db [ 92.308269][ T5311] nvmet: adding nsid 1 to subsystem subsys1 [ 92.354262][ T5311] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI [ 92.359411][ T5311] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 92.362781][ T5311] CPU: 0 UID: 0 PID: 5311 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 92.366373][ T5311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 92.370436][ T5311] RIP: 0010:strlen+0x29/0x70 [ 92.372348][ T5311] Code: 90 f3 0f 1e fa 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 [ 92.380053][ T5311] RSP: 0018:ffffc9000f2ff978 EFLAGS: 00010246 [ 92.382573][ T5311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 [ 92.385810][ T5311] RDX: ffffc9000e9a1000 RSI: 0000000000000053 RDI: 0000000000000000 [ 92.388976][ T5311] RBP: ffffc9000f2ffab8 R08: ffffffff90576a37 R09: 1ffffffff20aed46 [ 92.392195][ T5311] R10: dffffc0000000000 R11: fffffbfff20aed47 R12: 1ffff92001e5ff40 [ 92.395528][ T5311] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffffffffffffff [ 92.398913][ T5311] FS: 00007f698e5f56c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 92.402560][ T5311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.405238][ T5311] CR2: 00007f0d48a28e9c CR3: 0000000013656000 CR4: 0000000000352ef0 [ 92.408599][ T5311] Call Trace: [ 92.410047][ T5311] [ 92.411326][ T5311] do_getname_kernel+0x1d/0x230 [ 92.413310][ T5311] ? getname_kernel+0xd/0x20 [ 92.415265][ T5311] filp_open+0x87/0x1d0 [ 92.417072][ T5311] ? __pfx_filp_open+0x10/0x10 [ 92.419135][ T5311] ? __pfx___mutex_lock+0x10/0x10 [ 92.421283][ T5311] ? nvmet_ns_enable_store+0xc8/0x170 [ 92.423581][ T5311] nvmet_file_ns_enable+0x74/0x350 [ 92.425639][ T5311] nvmet_ns_enable+0xaa/0x780 [ 92.427648][ T5311] ? configfs_write_iter+0x238/0x430 [ 92.429806][ T5311] nvmet_ns_enable_store+0xd7/0x170 [ 92.431935][ T5311] ? __pfx_nvmet_ns_enable_store+0x10/0x10 [ 92.434319][ T5311] ? down_read+0x2be/0x330 [ 92.436068][ T5311] ? __pfx_nvmet_ns_enable_store+0x10/0x10 [ 92.438484][ T5311] configfs_write_iter+0x337/0x430 [ 92.440521][ T5311] vfs_write+0x612/0xba0 [ 92.442223][ T5311] ? __pfx_vfs_write+0x10/0x10 [ 92.444259][ T5311] ? __fget_files+0x2a/0x420 [ 92.446146][ T5311] ksys_write+0x150/0x270 [ 92.448056][ T5311] ? __pfx_ksys_write+0x10/0x10 [ 92.450213][ T5311] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.453068][ T5311] do_syscall_64+0x174/0x580 [ 92.454972][ T5311] ? trace_irq_disable+0x3b/0x140 [ 92.457243][ T5311] ? clear_bhb_loop+0x70/0xc0 [ 92.459109][ T5311] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.461407][ T5311] RIP: 0033:0x7f699219e0d9 [ 92.463180][ T5311] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 92.471058][ T5311] RSP: 002b:00007f698e5f4fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.474244][ T5311] RAX: ffffffffffffffda RBX: 00007f6992425fa0 RCX: 00007f699219e0d9 [ 92.477663][ T5311] RDX: 0000000000000002 RSI: 0000200000000200 RDI: 0000000000000006 [ 92.481150][ T5311] RBP: 00007f6992235024 R08: 0000000000000000 R09: 0000000000000000 [ 92.484464][ T5311] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.487651][ T5311] R13: 00007f6992426038 R14: 00007f6992425fa0 R15: 00007fff22d42b78 [ 92.491008][ T5311] [ 92.492381][ T5311] Modules linked in: [ 92.494734][ T5311] ---[ end trace 0000000000000000 ]--- [ 92.608472][ T5312] oom_control is deprecated and will be removed. Please report your usecase to linux-mm-@kvack.org if you depend on this functionality. [ 92.617664][ T5312] ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' [ 92.677032][ T5310] pthread_create failed [ 92.677051][ T5310] (errno 12) [ 92.680729][ T5312] ieee80211 phy5: Failed to add default virtual iface [ 92.684461][ T5311] RIP: 0010:strlen+0x29/0x70 [ 92.686908][ T5311] Code: 90 f3 0f 1e fa 41 57 41 56 41 54 53 48 c7 c0 ff ff ff ff 49 be 00 00 00 00 00 fc ff df 48 89 fb 49 89 c7 48 89 d8 48 c1 e8 03 <42> 0f b6 04 30 84 c0 75 11 48 ff c3 49 8d 47 01 42 80 7c 3f 01 00 [ 92.695603][ T5311] RSP: 0018:ffffc9000f2ff978 EFLAGS: 00010246 [ 92.698182][ T5311] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 [ 92.701799][ T5311] RDX: ffffc9000e9a1000 RSI: 0000000000000053 RDI: 0000000000000000 [ 92.704791][ T5311] RBP: ffffc9000f2ffab8 R08: ffffffff90576a37 R09: 1ffffffff20aed46 [ 92.707833][ T5311] R10: dffffc0000000000 R11: fffffbfff20aed47 R12: 1ffff92001e5ff40 [ 92.711585][ T5311] R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffffffffffffff [ 92.714650][ T5311] FS: 00007f698e5f56c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 92.718499][ T5311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.722013][ T5311] CR2: 00007f69923f2d28 CR3: 0000000013656000 CR4: 0000000000352ef0 [ 92.725288][ T5311] Kernel panic - not syncing: Fatal exception [ 92.728338][ T5311] Kernel Offset: disabled [ 92.730091][ T5311] Rebooting in 86400 seconds..