Process accounting resumed
Process accounting resumed
attempt to access beyond end of device
Process accounting resumed
loop0: rw=1048577, want=58, limit=52
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
PGD 9ea10067 P4D 9ea10067 PUD 9ec4d067 PMD 0
Oops: 0002 [#1] PREEMPT SMP KASAN
Buffer I/O error on dev loop0, logical block 28, lost async page write
CPU: 0 PID: 8596 Comm: syz-executor494 Not tainted 4.19.120-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:test_and_set_bit arch/x86/include/asm/bitops.h:209 [inline]
RIP: 0010:test_and_set_bit_lock arch/x86/include/asm/bitops.h:223 [inline]
RIP: 0010:trylock_buffer include/linux/buffer_head.h:367 [inline]
RIP: 0010:lock_buffer include/linux/buffer_head.h:373 [inline]
RIP: 0010:alloc_branch fs/minix/itree_common.c:88 [inline]
RIP: 0010:get_block+0x76c/0x1300 fs/minix/itree_common.c:191
Code: 00 00 49 8b bc 24 28 01 00 00 b9 08 00 00 00 e8 7a 40 bc ff 31 d2 be 74 01 00 00 48 c7 c7 20 4b 9c 87 49 89 c4 e8 14 43 4e ff <f0> 49 0f ba 2c 24 02 40 0f 92 c6 31 ff 40 88 74 24 78 e8 0d f1 6e
RSP: 0018:ffff88807e067578 EFLAGS: 00010246
attempt to access beyond end of device
RAX: 0000000000000007 RBX: ffff88807e067690 RCX: 1ffffffff1238a88
RDX: 0000000000000000 RSI: ffffffff88d929a0 RDI: ffff88807e05e5e4
RBP: ffff88807e067710 R08: ffff88807e05e5c0 R09: fffff9400041d077
R10: fffff9400041d076 R11: ffffea00020e83b7 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88807e067640 R15: 0000000000000056
FS: 000000000204a940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
loop0: rw=1048577, want=60, limit=52
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000860a4000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Buffer I/O error on dev loop0, logical block 29, lost async page write
attempt to access beyond end of device
minix_get_block+0xe5/0x110 fs/minix/inode.c:379
__block_write_begin_int+0x480/0x17a0 fs/buffer.c:1978
loop0: rw=1048577, want=62, limit=52
__block_write_begin fs/buffer.c:2028 [inline]
block_write_begin+0x58/0x2e0 fs/buffer.c:2087
Buffer I/O error on dev loop0, logical block 30, lost async page write
minix_write_begin+0x35/0xe0 fs/minix/inode.c:415
generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3162
attempt to access beyond end of device
__generic_file_write_iter+0x24c/0x610 mm/filemap.c:3287
loop0: rw=1048577, want=64, limit=52
generic_file_write_iter+0x37f/0x729 mm/filemap.c:3315
call_write_iter include/linux/fs.h:1821 [inline]
new_sync_write fs/read_write.c:474 [inline]
__vfs_write+0x512/0x760 fs/read_write.c:487
Buffer I/O error on dev loop0, logical block 31, lost async page write
attempt to access beyond end of device
__kernel_write+0x109/0x370 fs/read_write.c:506
do_acct_process+0xcd8/0x10e0 kernel/acct.c:520
loop0: rw=1048577, want=66, limit=52
acct_pin_kill+0x29/0xf0 kernel/acct.c:174
pin_kill+0x17a/0x7e0 fs/fs_pin.c:50
Buffer I/O error on dev loop0, logical block 32, lost async page write
attempt to access beyond end of device
acct_on+0x54b/0x760 kernel/acct.c:254
__do_sys_acct kernel/acct.c:286 [inline]
__se_sys_acct kernel/acct.c:273 [inline]
__x64_sys_acct+0xab/0x1f0 kernel/acct.c:273
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
loop0: rw=1048577, want=68, limit=52
RIP: 0033:0x4489f9
Code: ed cb fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 bb cb fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffcab7d9288 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3
Buffer I/O error on dev loop0, logical block 33, lost async page write
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004489f9
RDX: 00000000004045c0 RSI: 02a4d972d57b0154 RDI: 0000000020000480
RBP: 000000000000e56f R08: 000000000000000a R09: 00000000000003e8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000405ad0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
attempt to access beyond end of device
CR2: 0000000000000000
---[ end trace b24a9a6fa6e67354 ]---
loop0: rw=1048577, want=70, limit=52
RIP: 0010:test_and_set_bit arch/x86/include/asm/bitops.h:209 [inline]
RIP: 0010:test_and_set_bit_lock arch/x86/include/asm/bitops.h:223 [inline]
RIP: 0010:trylock_buffer include/linux/buffer_head.h:367 [inline]
RIP: 0010:lock_buffer include/linux/buffer_head.h:373 [inline]
RIP: 0010:alloc_branch fs/minix/itree_common.c:88 [inline]
RIP: 0010:get_block+0x76c/0x1300 fs/minix/itree_common.c:191
Buffer I/O error on dev loop0, logical block 34, lost async page write
Code: 00 00 49 8b bc 24 28 01 00 00 b9 08 00 00 00 e8 7a 40 bc ff 31 d2 be 74 01 00 00 48 c7 c7 20 4b 9c 87 49 89 c4 e8 14 43 4e ff <f0> 49 0f ba 2c 24 02 40 0f 92 c6 31 ff 40 88 74 24 78 e8 0d f1 6e
attempt to access beyond end of device
RSP: 0018:ffff88807e067578 EFLAGS: 00010246
loop0: rw=1048577, want=72, limit=52
RAX: 0000000000000007 RBX: ffff88807e067690 RCX: 1ffffffff1238a88
Buffer I/O error on dev loop0, logical block 35, lost async page write
RDX: 0000000000000000 RSI: ffffffff88d929a0 RDI: ffff88807e05e5e4
attempt to access beyond end of device
RBP: ffff88807e067710 R08: ffff88807e05e5c0 R09: fffff9400041d077
loop0: rw=1048577, want=74, limit=52
attempt to access beyond end of device
loop0: rw=1048577, want=76, limit=52
attempt to access beyond end of device
R10: fffff9400041d076 R11: ffffea00020e83b7 R12: 0000000000000000
loop0: rw=1048577, want=78, limit=52
attempt to access beyond end of device
loop0: rw=1048577, want=80, limit=52
attempt to access beyond end of device
loop0: rw=1048577, want=82, limit=52
attempt to access beyond end of device
loop0: rw=1048577, want=84, limit=52
attempt to access beyond end of device
R13: dffffc0000000000 R14: ffff88807e067640 R15: 0000000000000056
loop0: rw=1048577, want=86, limit=52
FS: 000000000204a940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
attempt to access beyond end of device
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
loop0: rw=1048577, want=88, limit=52
CR2: 00007f680e007000 CR3: 00000000860a4000 CR4: 00000000001406f0
attempt to access beyond end of device
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
loop0: rw=1048577, want=90, limit=52
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
attempt to access beyond end of device