program: syz_mount_image$bfs(&(0x7f0000000000), &(0x7f0000000240)='./bus\x00', 0x8008, &(0x7f0000000100)=ANY=[@ANYRES64=0x0], 0xf, 0xab, &(0x7f0000010140)="$eJzs1zGKwkAYBeB/s7CbdptFsLBO4x08ilhqI1aK4A3Ei3gVj5DewiKtiCOYiIidRQT5vmLgzWPgtbM7brubIiKtIlLRme7T3Wy+GA8n9Rl8pCwifiMij4jeX50Pg7r7avqyWo7K6vv58c+69b0AAMDrsug/5nNqLk7NL/Aa/m993vI+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgHe7BAAA//+dfyiL") r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.current\x00', 0x275a, 0x0) openat(r0, &(0x7f0000000040)='./bus\x00', 0x0, 0xa) r1 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000002380)={0x2, 0x4, 0x8, 0x1, 0x80, 0x0, 0x0, '\x00', 0x0, 0x0}, 0x50) bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x12, 0x10, &(0x7f0000000000)=@ringbuf={{0x18, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20}, {{0x18, 0x1, 0x1, 0x0, r1}, {}, {0x7, 0x0, 0xb, 0x3, 0x0, 0x0, 0x1ab92b}, {0x85, 0x0, 0x0, 0x8}, {0x4}}, {{0x5, 0x0, 0x4, 0x9, 0x0, 0x1, 0x2000}}, [@call={0x85, 0x0, 0x0, 0x31}], {{0x7, 0x1, 0xb, 0x8}, {0x6, 0x0, 0x5, 0x9}, {0x85, 0x0, 0x0, 0x85}}}, &(0x7f0000000140)='GPL\x00', 0x7, 0x0, 0x0, 0x41000, 0x29, '\x00', 0x0, @cgroup_sock_addr=0xb, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x94) (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.events\x00', 0x275a, 0x0) (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0) (async) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_GET_MSRS_sys(r2, 0xc008ae88, &(0x7f0000000280)={0x0, 0x0, [{0x887, 0x0, 0x7}]}) (async) mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file4\x00', 0x40, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file7\x00', 0x105042, 0x1ff) (async) linkat(0xffffffffffffff9c, &(0x7f0000000000)='./file4\x00', 0xffffffffffffff9c, &(0x7f00000006c0)='./file5\x00', 0x0) (async) openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x40, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000006ac0)='cpuacct.stat\x00', 0x275a, 0x0) openat$incfs(0xffffffffffffff9c, &(0x7f0000000640)='.log\x00', 0xa5d, 0x1) (async) openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x161442, 0xb6) (async) syz_clone(0x2000400, 0x0, 0xfffffebf, 0x0, 0x0, 0x0) (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000340)='pids.current\x00', 0x275a, 0x0) (async) open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpu.stat\x00', 0x275a, 0x0) syz_mount_image$exfat(&(0x7f0000001500), &(0x7f0000001540)='./file1\x00', 0x8010, &(0x7f0000000180)=ANY=[@ANYBLOB='\x00'/17], 0x1, 0x14e0, &(0x7f0000002a80)="$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") (async) setrlimit(0xc, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) (async) truncate(&(0x7f0000000100)='./file1\x00', 0x20fdfffffe) r3 = syz_open_dev$loop(&(0x7f0000000180), 0x0, 0x0) ioctl$LOOP_SET_STATUS(r3, 0x4c02, &(0x7f0000000980)={0x0, {}, 0x0, {}, 0x4, 0x4, 0xffffffff, 0x0, "22b7435b0a43852dbc3a9ada34cc97af10fd4faea15748328c53096c2f359e9ba743d30b59c491a7b3e74d9389515d1002374a1d61471af78d462ea537e61800", "0410b1617b6268917d94b72c2e9e13be3626fce20000f5da74161ccef2c5cf5e", [0x3, 0xffffffffffffffff]}) (async) ioctl$DRM_IOCTL_GET_CLIENT(0xffffffffffffffff, 0xc0286405, &(0x7f0000000000)={0x7, 0x9, {0x0}, {0xffffffffffffffff}, 0x6b, 0xb}) prlimit64(r4, 0x1, &(0x7f0000000040)={0xd96, 0xd}, 0x0) (async) creat(&(0x7f0000000440)='./file1\x00', 0xe8) [ 147.888160][ T4646] Bluetooth: hci0: command tx timeout [ 147.976484][ T5333] loop0: detected capacity change from 0 to 64 [ 148.235268][ T5338] ------------[ cut here ]------------ [ 148.235347][ T5338] !buffer_uptodate(bh) [ 148.235364][ T5338] WARNING: fs/buffer.c:991 at mark_buffer_dirty+0x299/0x410, CPU#0: syz.0.0/5338 [ 148.243801][ T5338] Modules linked in: [ 148.245783][ T5338] CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 148.250061][ T5338] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 148.254361][ T5338] RIP: 0010:mark_buffer_dirty+0x299/0x410 [ 148.256872][ T5338] Code: 4c 89 f7 e8 69 fa d7 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 74 52 fb ff e8 9f 46 66 ff eb 8c e8 98 46 66 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 8a 46 66 ff 90 0f 0b 90 e9 cf fd ff ff [ 148.265650][ T5338] RSP: 0018:ffffc9000e3b66a8 EFLAGS: 00010293 [ 148.268685][ T5338] RAX: ffffffff8261d9b8 RBX: ffff888044863700 RCX: ffff888000becb00 [ 148.272231][ T5338] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 148.275875][ T5338] RBP: 0000000000000201 R08: ffff888044863707 R09: 1ffff1100890c6e0 [ 148.280169][ T5338] R10: dffffc0000000000 R11: ffffed100890c6e1 R12: 0000000000000010 [ 148.283610][ T5338] R13: ffff888044863700 R14: ffff88804485d7e0 R15: dffffc0000000000 [ 148.287258][ T5338] FS: 00007f8e397dd6c0(0000) GS:ffff88808c2bb000(0000) knlGS:0000000000000000 [ 148.291219][ T5338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 148.294146][ T5338] CR2: 00007f8e397fdff8 CR3: 00000000405ff000 CR4: 0000000000352ef0 [ 148.297659][ T5338] Call Trace: [ 148.299249][ T5338] [ 148.300514][ T5338] bfs_get_block+0x5c6/0xb50 [ 148.302525][ T5338] __block_write_begin_int+0x6c2/0x1900 [ 148.305112][ T5338] ? __pfx_bfs_get_block+0x10/0x10 [ 148.307652][ T5338] ? __pfx___block_write_begin_int+0x10/0x10 [ 148.310259][ T5338] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 148.313048][ T5338] ? __pfx_bfs_get_block+0x10/0x10 [ 148.315258][ T5338] block_write_begin+0x8d/0x120 [ 148.317610][ T5338] ? bfs_write_begin+0x1e/0xd0 [ 148.319761][ T5338] bfs_write_begin+0x35/0xd0 [ 148.321791][ T5338] generic_perform_write+0x2d5/0x8f0 [ 148.324117][ T5338] ? __pfx_generic_perform_write+0x10/0x10 [ 148.326866][ T5338] ? file_update_time_flags+0x1e0/0x440 [ 148.329574][ T5338] ? __generic_file_write_iter+0xf9/0x230 [ 148.332191][ T5338] ? generic_file_write_iter+0x9a/0x330 [ 148.334734][ T5338] generic_file_write_iter+0xae/0x330 [ 148.337579][ T5338] __kernel_write_iter+0x44a/0x8f0 [ 148.340029][ T5338] ? __pfx___kernel_write_iter+0x10/0x10 [ 148.342306][ T5338] ? __asan_memset+0x22/0x50 [ 148.344406][ T5338] ? iov_iter_kvec+0xb8/0x180 [ 148.346551][ T5338] __kernel_write+0x106/0x170 [ 148.348692][ T5338] ? __pfx___kernel_write+0x10/0x10 [ 148.350962][ T5338] dump_emit+0x920/0xb00 [ 148.352971][ T5338] ? rcu_is_watching+0x16/0xb0 [ 148.355161][ T5338] ? __pfx_dump_emit+0x10/0x10 [ 148.357389][ T5338] ? __kasan_kmalloc+0x93/0xb0 [ 148.359476][ T5338] ? __kmalloc_cache_noprof+0x321/0x600 [ 148.361932][ T5338] ? __kmalloc_cache_noprof+0x14d/0x600 [ 148.364484][ T5338] ? elf_core_dump+0x2a8f/0x3a90 [ 148.366570][ T5338] ? elf_core_dump+0x2a8f/0x3a90 [ 148.368865][ T5338] elf_core_dump+0x2ff4/0x3a90 [ 148.370967][ T5338] ? __pfx_elf_core_dump+0x10/0x10 [ 148.373166][ T5338] ? kasan_save_track+0x4f/0x80 [ 148.375333][ T5338] ? coredump_write+0x394/0x1960 [ 148.377686][ T5338] ? vfs_coredump+0x3764/0x4520 [ 148.380132][ T5338] ? get_signal+0x1094/0x12c0 [ 148.382282][ T5338] ? arch_do_signal_or_restart+0xbb/0x860 [ 148.385243][ T5338] ? irqentry_exit+0x2c0/0x920 [ 148.389173][ T5338] ? asm_exc_page_fault+0x26/0x30 [ 148.391920][ T5338] ? lock_acquire+0x115/0x350 [ 148.394288][ T5338] coredump_write+0x1290/0x1960 [ 148.396977][ T5338] ? __pfx_coredump_write+0x10/0x10 [ 148.400013][ T5338] ? do_raw_spin_lock+0x12b/0x2f0 [ 148.402770][ T5338] ? put_files_struct+0x24f/0x350 [ 148.405556][ T5338] ? do_raw_spin_unlock+0x4d/0x200 [ 148.408084][ T5338] ? unshare_files+0x103/0x140 [ 148.410277][ T5338] vfs_coredump+0x3764/0x4520 [ 148.412592][ T5338] ? __pfx_vfs_coredump+0x10/0x10 [ 148.415427][ T5338] ? __lock_acquire+0x747/0x2de0 [ 148.417802][ T5338] ? __lock_acquire+0x747/0x2de0 [ 148.420119][ T5338] ? lock_acquire+0x115/0x350 [ 148.422253][ T5338] ? lock_acquire+0x115/0x350 [ 148.424372][ T5338] ? is_bpf_text_address+0x26/0x2b0 [ 148.426672][ T5338] ? is_bpf_text_address+0x292/0x2b0 [ 148.429067][ T5338] ? is_bpf_text_address+0x26/0x2b0 [ 148.431366][ T5338] ? kernel_text_address+0xa5/0xe0 [ 148.433698][ T5338] ? __kernel_text_address+0xd/0x30 [ 148.435923][ T5338] ? unwind_get_return_address+0x4d/0x90 [ 148.438709][ T5338] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 148.441192][ T5338] ? arch_stack_walk+0xfb/0x150 [ 148.443239][ T5338] ? stack_trace_save+0xa9/0x100 [ 148.445467][ T5338] ? __pfx_stack_trace_save+0x10/0x10 [ 148.448269][ T5338] ? stack_depot_save_flags+0x33/0x7f0 [ 148.450694][ T5338] ? __lock_acquire+0x690/0x2de0 [ 148.452848][ T5338] ? kasan_save_track+0x4f/0x80 [ 148.455105][ T5338] ? kasan_save_track+0x3e/0x80 [ 148.457468][ T5338] ? kasan_save_free_info+0x40/0x50 [ 148.459763][ T5338] ? __kasan_slab_free+0x5c/0x80 [ 148.461902][ T5338] ? kmem_cache_free+0x182/0x650 [ 148.464103][ T5338] ? get_signal+0x9e7/0x12c0 [ 148.466189][ T5338] ? arch_do_signal_or_restart+0xbb/0x860 [ 148.468755][ T5338] ? irqentry_exit+0x2c0/0x920 [ 148.470871][ T5338] ? asm_exc_page_fault+0x26/0x30 [ 148.473190][ T5338] ? proc_coredump_connector+0x187/0x4e0 [ 148.475683][ T5338] ? _raw_spin_unlock_irq+0x23/0x50 [ 148.478129][ T5338] get_signal+0x1094/0x12c0 [ 148.480152][ T5338] arch_do_signal_or_restart+0xbb/0x860 [ 148.482506][ T5338] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 148.485154][ T5338] irqentry_exit+0x2c0/0x920 [ 148.487253][ T5338] ? trace_irq_disable+0x3b/0x140 [ 148.489343][ T5338] asm_exc_page_fault+0x26/0x30 [ 148.491488][ T5338] RIP: 0033:0x7f8e3899e1a1 [ 148.493462][ T5338] Code: 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 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f [ 148.501584][ T5338] RSP: 002b:00000000fffffeb0 EFLAGS: 00010217 [ 148.504264][ T5338] RAX: 0000000000000000 RBX: 00007f8e38c26180 RCX: 00007f8e3899e199 [ 148.507920][ T5338] RDX: 0000000000000000 RSI: 00000000fffffeb0 RDI: 0000000002000400 [ 148.511361][ T5338] RBP: 00007f8e38a358e0 R08: 0000000000000000 R09: 0000000000000000 [ 148.514878][ T5338] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 148.518311][ T5338] R13: 00007f8e38c26218 R14: 00007f8e38c26180 R15: 00007fffc1f83668 [ 148.521635][ T5338] [ 148.522923][ T5338] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 148.525959][ T5338] CPU: 0 UID: 0 PID: 5338 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 148.529769][ T5338] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 148.534047][ T5338] Call Trace: [ 148.535425][ T5338] [ 148.536776][ T5338] vpanic+0x56d/0xa60 [ 148.538459][ T5338] ? __pfx__printk+0x10/0x10 [ 148.540289][ T5338] ? __pfx_vpanic+0x10/0x10 [ 148.542186][ T5338] ? is_bpf_text_address+0x292/0x2b0 [ 148.544494][ T5338] ? is_bpf_text_address+0x26/0x2b0 [ 148.546677][ T5338] panic+0xc5/0xd0 [ 148.548272][ T5338] ? __pfx_panic+0x10/0x10 [ 148.550240][ T5338] __warn+0x315/0x4c0 [ 148.552010][ T5338] ? mark_buffer_dirty+0x299/0x410 [ 148.554423][ T5338] ? mark_buffer_dirty+0x299/0x410 [ 148.556713][ T5338] __report_bug+0x276/0x570 [ 148.558582][ T5338] ? filemap_get_entry+0xcd/0x3f0 [ 148.560722][ T5338] ? filemap_get_entry+0xcd/0x3f0 [ 148.562889][ T5338] ? mark_buffer_dirty+0x299/0x410 [ 148.565051][ T5338] ? __pfx___report_bug+0x10/0x10 [ 148.567295][ T5338] ? __pfx_folio_mark_accessed+0x10/0x10 [ 148.569794][ T5338] ? trace_kmem_cache_alloc+0x29/0xe0 [ 148.572030][ T5338] ? mark_buffer_dirty+0x299/0x410 [ 148.574434][ T5338] report_bug+0x16b/0x220 [ 148.576266][ T5338] ? mark_buffer_dirty+0x299/0x410 [ 148.578411][ T5338] ? mark_buffer_dirty+0x29b/0x410 [ 148.580631][ T5338] handle_bug+0x9c/0x200 [ 148.582522][ T5338] exc_invalid_op+0x1a/0x50 [ 148.584598][ T5338] asm_exc_invalid_op+0x1a/0x20 [ 148.586674][ T5338] RIP: 0010:mark_buffer_dirty+0x299/0x410 [ 148.588884][ T5338] Code: 4c 89 f7 e8 69 fa d7 ff 49 8b 3e be 40 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 74 52 fb ff e8 9f 46 66 ff eb 8c e8 98 46 66 ff 90 <0f> 0b 90 e9 a5 fd ff ff e8 8a 46 66 ff 90 0f 0b 90 e9 cf fd ff ff [ 148.596941][ T5338] RSP: 0018:ffffc9000e3b66a8 EFLAGS: 00010293 [ 148.599510][ T5338] RAX: ffffffff8261d9b8 RBX: ffff888044863700 RCX: ffff888000becb00 [ 148.602757][ T5338] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 148.606080][ T5338] RBP: 0000000000000201 R08: ffff888044863707 R09: 1ffff1100890c6e0 [ 148.609372][ T5338] R10: dffffc0000000000 R11: ffffed100890c6e1 R12: 0000000000000010 [ 148.612741][ T5338] R13: ffff888044863700 R14: ffff88804485d7e0 R15: dffffc0000000000 [ 148.616349][ T5338] ? mark_buffer_dirty+0x298/0x410 [ 148.618657][ T5338] ? mark_buffer_dirty+0x298/0x410 [ 148.620871][ T5338] bfs_get_block+0x5c6/0xb50 [ 148.622989][ T5338] __block_write_begin_int+0x6c2/0x1900 [ 148.625434][ T5338] ? __pfx_bfs_get_block+0x10/0x10 [ 148.627753][ T5338] ? __pfx___block_write_begin_int+0x10/0x10 [ 148.630321][ T5338] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 148.632856][ T5338] ? __pfx_bfs_get_block+0x10/0x10 [ 148.635019][ T5338] block_write_begin+0x8d/0x120 [ 148.637025][ T5338] ? bfs_write_begin+0x1e/0xd0 [ 148.646317][ T5338] bfs_write_begin+0x35/0xd0 [ 148.650239][ T5338] generic_perform_write+0x2d5/0x8f0 [ 148.653358][ T5338] ? __pfx_generic_perform_write+0x10/0x10 [ 148.655865][ T5338] ? file_update_time_flags+0x1e0/0x440 [ 148.658192][ T5338] ? __generic_file_write_iter+0xf9/0x230 [ 148.660549][ T5338] ? generic_file_write_iter+0x9a/0x330 [ 148.662831][ T5338] generic_file_write_iter+0xae/0x330 [ 148.665107][ T5338] __kernel_write_iter+0x44a/0x8f0 [ 148.667342][ T5338] ? __pfx___kernel_write_iter+0x10/0x10 [ 148.669709][ T5338] ? __asan_memset+0x22/0x50 [ 148.671734][ T5338] ? iov_iter_kvec+0xb8/0x180 [ 148.673805][ T5338] __kernel_write+0x106/0x170 [ 148.675915][ T5338] ? __pfx___kernel_write+0x10/0x10 [ 148.678206][ T5338] dump_emit+0x920/0xb00 [ 148.680080][ T5338] ? rcu_is_watching+0x16/0xb0 [ 148.682024][ T5338] ? __pfx_dump_emit+0x10/0x10 [ 148.684015][ T5338] ? __kasan_kmalloc+0x93/0xb0 [ 148.685955][ T5338] ? __kmalloc_cache_noprof+0x321/0x600 [ 148.688247][ T5338] ? __kmalloc_cache_noprof+0x14d/0x600 [ 148.690484][ T5338] ? elf_core_dump+0x2a8f/0x3a90 [ 148.692541][ T5338] ? elf_core_dump+0x2a8f/0x3a90 [ 148.694808][ T5338] elf_core_dump+0x2ff4/0x3a90 [ 148.696962][ T5338] ? __pfx_elf_core_dump+0x10/0x10 [ 148.699342][ T5338] ? kasan_save_track+0x4f/0x80 [ 148.701896][ T5338] ? coredump_write+0x394/0x1960 [ 148.704459][ T5338] ? vfs_coredump+0x3764/0x4520 [ 148.707006][ T5338] ? get_signal+0x1094/0x12c0 [ 148.711286][ T5338] ? arch_do_signal_or_restart+0xbb/0x860 [ 148.714088][ T5338] ? irqentry_exit+0x2c0/0x920 [ 148.717714][ T5338] ? asm_exc_page_fault+0x26/0x30 [ 148.720102][ T5338] ? lock_acquire+0x115/0x350 [ 148.722034][ T5338] coredump_write+0x1290/0x1960 [ 148.724193][ T5338] ? __pfx_coredump_write+0x10/0x10 [ 148.726451][ T5338] ? do_raw_spin_lock+0x12b/0x2f0 [ 148.728649][ T5338] ? put_files_struct+0x24f/0x350 [ 148.730885][ T5338] ? do_raw_spin_unlock+0x4d/0x200 [ 148.733265][ T5338] ? unshare_files+0x103/0x140 [ 148.735350][ T5338] vfs_coredump+0x3764/0x4520 [ 148.737370][ T5338] ? __pfx_vfs_coredump+0x10/0x10 [ 148.739466][ T5338] ? __lock_acquire+0x747/0x2de0 [ 148.741671][ T5338] ? __lock_acquire+0x747/0x2de0 [ 148.743945][ T5338] ? lock_acquire+0x115/0x350 [ 148.746040][ T5338] ? lock_acquire+0x115/0x350 [ 148.747993][ T5338] ? is_bpf_text_address+0x26/0x2b0 [ 148.750156][ T5338] ? is_bpf_text_address+0x292/0x2b0 [ 148.752354][ T5338] ? is_bpf_text_address+0x26/0x2b0 [ 148.754596][ T5338] ? kernel_text_address+0xa5/0xe0 [ 148.756765][ T5338] ? __kernel_text_address+0xd/0x30 [ 148.759054][ T5338] ? unwind_get_return_address+0x4d/0x90 [ 148.761525][ T5338] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 148.764197][ T5338] ? arch_stack_walk+0xfb/0x150 [ 148.766292][ T5338] ? stack_trace_save+0xa9/0x100 [ 148.768396][ T5338] ? __pfx_stack_trace_save+0x10/0x10 [ 148.770737][ T5338] ? stack_depot_save_flags+0x33/0x7f0 [ 148.773029][ T5338] ? __lock_acquire+0x690/0x2de0 [ 148.775201][ T5338] ? kasan_save_track+0x4f/0x80 [ 148.777207][ T5338] ? kasan_save_track+0x3e/0x80 [ 148.779244][ T5338] ? kasan_save_free_info+0x40/0x50 [ 148.781562][ T5338] ? __kasan_slab_free+0x5c/0x80 [ 148.783818][ T5338] ? kmem_cache_free+0x182/0x650 [ 148.786011][ T5338] ? get_signal+0x9e7/0x12c0 [ 148.787815][ T5338] ? arch_do_signal_or_restart+0xbb/0x860 [ 148.790196][ T5338] ? irqentry_exit+0x2c0/0x920 [ 148.792340][ T5338] ? asm_exc_page_fault+0x26/0x30 [ 148.794541][ T5338] ? proc_coredump_connector+0x187/0x4e0 [ 148.797035][ T5338] ? _raw_spin_unlock_irq+0x23/0x50 [ 148.799372][ T5338] get_signal+0x1094/0x12c0 [ 148.801454][ T5338] arch_do_signal_or_restart+0xbb/0x860 [ 148.803915][ T5338] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 148.806656][ T5338] irqentry_exit+0x2c0/0x920 [ 148.810379][ T5338] ? trace_irq_disable+0x3b/0x140 [ 148.812503][ T5338] asm_exc_page_fault+0x26/0x30 [ 148.814793][ T5338] RIP: 0033:0x7f8e3899e1a1 [ 148.817522][ T5338] Code: 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 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f [ 148.825587][ T5338] RSP: 002b:00000000fffffeb0 EFLAGS: 00010217 [ 148.828108][ T5338] RAX: 0000000000000000 RBX: 00007f8e38c26180 RCX: 00007f8e3899e199 [ 148.831252][ T5338] RDX: 0000000000000000 RSI: 00000000fffffeb0 RDI: 0000000002000400 [ 148.834518][ T5338] RBP: 00007f8e38a358e0 R08: 0000000000000000 R09: 0000000000000000 [ 148.837919][ T5338] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 148.841361][ T5338] R13: 00007f8e38c26218 R14: 00007f8e38c26180 R15: 00007fffc1f83668 [ 148.844663][ T5338] [ 148.846545][ T5338] Kernel Offset: disabled [ 148.848264][ T5338] Rebooting in 86400 seconds..