syzbot


kernel BUG in set_state_bits

Status: upstream: reported C repro on 2023/04/03 19:24
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+ad704c01c5da34051e01@syzkaller.appspotmail.com
First crash: 359d, last: 169d
Fix bisection: failed (error log, bisect log)
  
Bug presence (1)
Date Name Commit Repro Result
2023/05/28 upstream (ToT) 416839029e38 C [report] kernel BUG in insert_state_fast
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in set_state_bits btrfs C done 96 16d 483d 0/26 upstream: reported C repro on 2022/12/01 12:20

Sample crash report:
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent_io.c:939!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3967 Comm: syz-executor131 Not tainted 5.15.135-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : set_state_bits+0x370/0x374 fs/btrfs/extent_io.c:939
lr : set_state_bits+0x370/0x374 fs/btrfs/extent_io.c:939
sp : ffff80001c6c7280
x29: ffff80001c6c7280 x28: 0000000002000000 x27: 0000000000001000
x26: dfff800000000000 x25: 0000000000000001 x24: 0000000000000108
x23: 0000000002000000 x22: 000000000200ffff x21: 0000000000001000
x20: 00000000fffffff4 x19: ffff0000cdf1ce10 x18: 0000000000000002
x17: ff80800008335c9c x16: ffff800011967e74 x15: ffff800008335c9c
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000000000
x11: ff8080000a07b770 x10: 0000000000000000 x9 : ffff80000a07b770
x8 : ffff0000d9f4b680 x7 : 0000000000000000 x6 : 0000000000000001
x5 : ffff80001c6c6698 x4 : 0000000000000100 x3 : 0000000000000a20
x2 : 0000000000000038 x1 : 00000000fffffff4 x0 : 0000000000000000
Call trace:
 set_state_bits+0x370/0x374 fs/btrfs/extent_io.c:939
 insert_state fs/btrfs/extent_io.c:572 [inline]
 set_extent_bit+0xe08/0x1464 fs/btrfs/extent_io.c:1022
 set_record_extent_bits+0x70/0x94 fs/btrfs/extent_io.c:1422
 qgroup_reserve_data+0x214/0x878 fs/btrfs/qgroup.c:3713
 btrfs_qgroup_reserve_data+0x40/0xec fs/btrfs/qgroup.c:3756
 btrfs_check_data_free_space+0x208/0x2f4 fs/btrfs/delalloc-space.c:145
 btrfs_buffered_write+0x46c/0xe6c fs/btrfs/file.c:1730
 btrfs_file_write_iter+0x198/0xad8 fs/btrfs/file.c:2088
 do_iter_readv_writev+0x420/0x5f8
 do_iter_write+0x1b8/0x664 fs/read_write.c:855
 vfs_writev fs/read_write.c:928 [inline]
 do_pwritev+0x1ec/0x334 fs/read_write.c:1025
 __do_sys_pwritev2 fs/read_write.c:1084 [inline]
 __se_sys_pwritev2 fs/read_write.c:1075 [inline]
 __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1075
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 97a1467c f9400fa8 17ffff54 97911dfc (d4210000) 
---[ end trace 20b1d4b06568cefa ]---

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/10/11 10:53 linux-5.15.y 02e21884dcf2 83165b57 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
2023/05/28 02:20 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
2023/10/11 05:43 linux-5.15.y 02e21884dcf2 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
2023/08/12 07:47 linux-5.15.y 24c4de4069cb 39990d51 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
2023/06/23 22:19 linux-5.15.y f67653019430 79782afc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
2023/04/20 06:34 linux-5.15.y 4fdad925aa1a a219f34e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
2023/04/14 03:07 linux-5.15.y 4fdad925aa1a 3cfcaa1b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
2023/04/03 19:24 linux-5.15.y c957cbb87315 41147e3e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 kernel BUG in set_state_bits
* Struck through repros no longer work on HEAD.