Extracting prog: 1m21.794158077s Minimizing prog: 7m0.146395073s Simplifying prog options: 0s Extracting C: 53.220054596s Simplifying C: 17m24.366671657s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone detailed listing: executing program 0: syz_mount_image$bfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x40, &(0x7f0000000040)=ANY=[@ANYRES32], 0x9, 0x9c, &(0x7f00000005c0)="$eJzszrGJAkEABdC/m9xG28AF18H2cKWIoWZGimBiO1qIgSXYgYGpyRrMGmi2ICjyHszAn8/AP153v2mTfpP0TxbL1WwyL3eKw34bvkid5CdJk+SvLfn8X7pq6E+X9XQ41f29evNuAABgvDrdY0zXjfjevH4RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwGe5BQAA///4UCT2") madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) (rerun: 32) program crashed: WARNING in mark_buffer_dirty single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=1m22.316600463s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise detailed listing: executing program 0: syz_mount_image$bfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x40, &(0x7f0000000040)=ANY=[@ANYRES32], 0x9, 0x9c, &(0x7f00000005c0)="$eJzszrGJAkEABdC/m9xG28AF18H2cKWIoWZGimBiO1qIgSXYgYGpyRrMGmi2ICjyHszAn8/AP153v2mTfpP0TxbL1WwyL3eKw34bvkid5CdJk+SvLfn8X7pq6E+X9XQ41f29evNuAABgvDrdY0zXjfjevH4RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwGe5BQAA///4UCT2") madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa) program did not crash testing program (duration=1m22.316600463s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-syz_clone detailed listing: executing program 0: syz_mount_image$bfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x40, &(0x7f0000000040)=ANY=[@ANYRES32], 0x9, 0x9c, &(0x7f00000005c0)="$eJzszrGJAkEABdC/m9xG28AF18H2cKWIoWZGimBiO1qIgSXYgYGpyRrMGmi2ICjyHszAn8/AP153v2mTfpP0TxbL1WwyL3eKw34bvkid5CdJk+SvLfn8X7pq6E+X9XQ41f29evNuAABgvDrdY0zXjfjevH4RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwGe5BQAA///4UCT2") syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) (rerun: 32) program did not crash testing program (duration=1m22.316600463s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): madvise-syz_clone detailed listing: executing program 0: madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) (rerun: 32) program did not crash testing program (duration=1m22.316600463s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone detailed listing: executing program 0: syz_mount_image$bfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x40, &(0x7f0000000040)=ANY=[@ANYRES32], 0x9, 0x9c, &(0x7f00000005c0)="$eJzszrGJAkEABdC/m9xG28AF18H2cKWIoWZGimBiO1qIgSXYgYGpyRrMGmi2ICjyHszAn8/AP153v2mTfpP0TxbL1WwyL3eKw34bvkid5CdJk+SvLfn8X7pq6E+X9XQ41f29evNuAABgvDrdY0zXjfjevH4RAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAwGe5BQAA///4UCT2") madvise(&(0x7f0000bdc000/0x4000)=nil, 0x86ac726dff2f4713, 0xa) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m22.316600463s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty simplifying C reproducer testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program did not crash testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: BUG: unable to handle kernel paging request in bfs_get_block a never seen crash title: BUG: unable to handle kernel paging request in bfs_get_block, ignore testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty testing compiled C program (duration=1m22.316600463s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$bfs-madvise-syz_clone program crashed: WARNING in mark_buffer_dirty reproducing took 26m39.527313092s repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6445 at fs/buffer.c:1173 mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 Modules linked in: CPU: 1 UID: 0 PID: 6445 Comm: syz-executor427 Not tainted 6.14.0-rc3-syzkaller-ge6747d19291c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 lr : mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 sp : ffff8000a40e6510 x29: ffff8000a40e6510 x28: ffff000155952000 x27: 0000000000000200 x26: ffff0000dd190a48 x25: ffff0000dd30be80 x24: ffff0000c567a000 x23: ffff0000dd289ae0 x22: 000000000000001b x21: dfff800000000000 x20: 0000000000000010 x19: ffff0000dd289ae0 x18: 0000000000000010 x17: 0000000000000000 x16: ffff80008b7275dc x15: 0000000000000001 x14: 1fffe0001ba5135c x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001ba5135d x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c470db80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff000155952200 x4 : ffff0000c63bc600 x3 : ffff800080e05af0 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 (P) bfs_move_block fs/bfs/file.c:44 [inline] bfs_move_blocks fs/bfs/file.c:57 [inline] bfs_get_block+0x514/0xa50 fs/bfs/file.c:126 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin+0xa0/0x11c fs/buffer.c:2226 bfs_write_begin+0x48/0xec fs/bfs/file.c:179 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 __kernel_write+0x11c/0x174 fs/read_write.c:632 __dump_emit fs/coredump.c:807 [inline] dump_emit+0x248/0x358 fs/coredump.c:844 writenote+0x1b8/0x334 fs/binfmt_elf.c:1471 write_note_info fs/binfmt_elf.c:1956 [inline] elf_core_dump+0x2ea8/0x3c38 fs/binfmt_elf.c:2116 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] asm_exit_to_user_mode+0x78/0x8c arch/arm64/kernel/entry-common.c:185 ret_from_fork+0x1c/0x20 arch/arm64/kernel/entry.S:865 irq event stamp: 536 hardirqs last enabled at (535): [] bh_lru_install fs/buffer.c:1345 [inline] hardirqs last enabled at (535): [] __find_get_block+0x964/0xd84 fs/buffer.c:1400 hardirqs last disabled at (536): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (308): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (306): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- final repro crashed as (corrupted=false): ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6445 at fs/buffer.c:1173 mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 Modules linked in: CPU: 1 UID: 0 PID: 6445 Comm: syz-executor427 Not tainted 6.14.0-rc3-syzkaller-ge6747d19291c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 lr : mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 sp : ffff8000a40e6510 x29: ffff8000a40e6510 x28: ffff000155952000 x27: 0000000000000200 x26: ffff0000dd190a48 x25: ffff0000dd30be80 x24: ffff0000c567a000 x23: ffff0000dd289ae0 x22: 000000000000001b x21: dfff800000000000 x20: 0000000000000010 x19: ffff0000dd289ae0 x18: 0000000000000010 x17: 0000000000000000 x16: ffff80008b7275dc x15: 0000000000000001 x14: 1fffe0001ba5135c x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001ba5135d x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c470db80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff000155952200 x4 : ffff0000c63bc600 x3 : ffff800080e05af0 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 (P) bfs_move_block fs/bfs/file.c:44 [inline] bfs_move_blocks fs/bfs/file.c:57 [inline] bfs_get_block+0x514/0xa50 fs/bfs/file.c:126 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116 block_write_begin+0xa0/0x11c fs/buffer.c:2226 bfs_write_begin+0x48/0xec fs/bfs/file.c:179 generic_perform_write+0x29c/0x868 mm/filemap.c:4189 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612 __kernel_write+0x11c/0x174 fs/read_write.c:632 __dump_emit fs/coredump.c:807 [inline] dump_emit+0x248/0x358 fs/coredump.c:844 writenote+0x1b8/0x334 fs/binfmt_elf.c:1471 write_note_info fs/binfmt_elf.c:1956 [inline] elf_core_dump+0x2ea8/0x3c38 fs/binfmt_elf.c:2116 do_coredump+0x1d28/0x29a0 fs/coredump.c:758 get_signal+0xf6c/0x1500 kernel/signal.c:3021 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] asm_exit_to_user_mode+0x78/0x8c arch/arm64/kernel/entry-common.c:185 ret_from_fork+0x1c/0x20 arch/arm64/kernel/entry.S:865 irq event stamp: 536 hardirqs last enabled at (535): [] bh_lru_install fs/buffer.c:1345 [inline] hardirqs last enabled at (535): [] __find_get_block+0x964/0xd84 fs/buffer.c:1400 hardirqs last disabled at (536): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (308): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (306): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---