ci2 starts bisection 2023-06-19 17:56:41.720024142 +0000 UTC m=+19821.972466995
bisecting fixing commit since cffbdd825e02688553e52f59f6dd2978f2357a17
building syzkaller on 4bce1a3e705a8b62de8194bdb28f5eef89c8feec
ensuring issue is reproducible on original commit cffbdd825e02688553e52f59f6dd2978f2357a17
testing commit cffbdd825e02688553e52f59f6dd2978f2357a17 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: fdfa863b9d42574876893170189e4e2a2173a2df8656103dc07eb88e9fdc07de
run #0: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #1: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #2: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #3: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #4: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #5: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #6: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #7: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #8: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #9: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #10: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #11: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #12: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #13: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #14: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #15: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #16: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #17: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #18: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
run #19: OK
testing current HEAD 1c4d2aa0c7120ab303d98f5fdacefd13a4e8ced2
testing commit 1c4d2aa0c7120ab303d98f5fdacefd13a4e8ced2 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: d4c3084587317e099a6ca33cb6693a00e1fe4c514b9952c83642637062318de8
all runs: crashed: KASAN: null-ptr-deref Write in __drop_extent_tree
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 42m2.589212841s (build: 20m37.209496059s, test: 20m39.939824447s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: UPSTREAM: memstick: r592: Fix UAF bug in r592_remove due to race condition
crash: KASAN: null-ptr-deref Write in __drop_extent_tree
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: null-ptr-deref in atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:541 [inline]
BUG: KASAN: null-ptr-deref in queued_write_lock include/asm-generic/qrwlock.h:98 [inline]
BUG: KASAN: null-ptr-deref in __raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
BUG: KASAN: null-ptr-deref in _raw_write_lock+0x97/0x170 kernel/locking/spinlock.c:300
Write of size 4 at addr 0000000000000030 by task syz-executor271/14766
CPU: 1 PID: 14766 Comm: syz-executor271 Not tainted 6.1.25-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x105/0x148 lib/dump_stack.c:106
print_report+0xe1/0x4e0 mm/kasan/report.c:398
kasan_report+0x13c/0x170 mm/kasan/report.c:495
kasan_check_range+0x294/0x2a0 mm/kasan/generic.c:189
__kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:541 [inline]
queued_write_lock include/asm-generic/qrwlock.h:98 [inline]
__raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
_raw_write_lock+0x97/0x170 kernel/locking/spinlock.c:300
__drop_extent_tree+0x272/0x4d0 fs/f2fs/extent_cache.c:1100
f2fs_drop_extent_tree+0xf/0x20 fs/f2fs/extent_cache.c:1116
f2fs_insert_range+0x339/0x450 fs/f2fs/file.c:1664
f2fs_fallocate+0x309/0x500 fs/f2fs/file.c:1838
vfs_fallocate+0x330/0x410 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xb3/0xe0 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc33a6c1b99
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc33a665208 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fc33a744788 RCX: 00007fc33a6c1b99
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000005
RBP: 00007fc33a744780 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 00007fc33a74478c
R13: 00007fffe7f4c04f R14: 00007fc33a665300 R15: 0000000000022000
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000030
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 11a146067 P4D 11a146067 PUD 10edc0067 PMD 0
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 14766 Comm: syz-executor271 Tainted: G B 6.1.25-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:543 [inline]
RIP: 0010:queued_write_lock include/asm-generic/qrwlock.h:98 [inline]
RIP: 0010:__raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
RIP: 0010:_raw_write_lock+0xb6/0x170 kernel/locking/spinlock.c:300
Code: ef be 04 00 00 00 e8 59 07 01 fd 4c 89 ff be 04 00 00 00 e8 4c 07 01 fd 43 0f b6 04 26 84 c0 75 7d 8b 44 24 20 b9 ff 00 00 00 41 0f b1 4d 00 75 33 48 c7 04 24 0e 36 e0 45 49 c7 04 1c 00 00
RSP: 0018:ffffc900044bfbc0 EFLAGS: 00010297
RAX: 0000000000000000 RBX: 1ffff92000897f78 RCX: 00000000000000ff
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900044bfbe0
RBP: ffffc900044bfc58 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000030 R14: 1ffff92000897f7c R15: ffffc900044bfbe0
FS: 00007fc33a665700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 000000011f576000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__drop_extent_tree+0x272/0x4d0 fs/f2fs/extent_cache.c:1100
f2fs_drop_extent_tree+0xf/0x20 fs/f2fs/extent_cache.c:1116
f2fs_insert_range+0x339/0x450 fs/f2fs/file.c:1664
f2fs_fallocate+0x309/0x500 fs/f2fs/file.c:1838
vfs_fallocate+0x330/0x410 fs/open.c:324
ksys_fallocate fs/open.c:347 [inline]
__do_sys_fallocate fs/open.c:355 [inline]
__se_sys_fallocate fs/open.c:353 [inline]
__x64_sys_fallocate+0xb3/0xe0 fs/open.c:353
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc33a6c1b99
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 18 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc33a665208 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fc33a744788 RCX: 00007fc33a6c1b99
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000005
RBP: 00007fc33a744780 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 00007fc33a74478c
R13: 00007fffe7f4c04f R14: 00007fc33a665300 R15: 0000000000022000
Modules linked in:
CR2: 0000000000000030
---[ end trace 0000000000000000 ]---
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:543 [inline]
RIP: 0010:queued_write_lock include/asm-generic/qrwlock.h:98 [inline]
RIP: 0010:__raw_write_lock include/linux/rwlock_api_smp.h:210 [inline]
RIP: 0010:_raw_write_lock+0xb6/0x170 kernel/locking/spinlock.c:300
Code: ef be 04 00 00 00 e8 59 07 01 fd 4c 89 ff be 04 00 00 00 e8 4c 07 01 fd 43 0f b6 04 26 84 c0 75 7d 8b 44 24 20 b9 ff 00 00 00 41 0f b1 4d 00 75 33 48 c7 04 24 0e 36 e0 45 49 c7 04 1c 00 00
RSP: 0018:ffffc900044bfbc0 EFLAGS: 00010297
RAX: 0000000000000000 RBX: 1ffff92000897f78 RCX: 00000000000000ff
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc900044bfbe0
RBP: ffffc900044bfc58 R08: dffffc0000000000 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000030 R14: 1ffff92000897f7c R15: ffffc900044bfbe0
FS: 00007fc33a665700(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000030 CR3: 000000011f576000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: ef out %eax,(%dx)
1: be 04 00 00 00 mov $0x4,%esi
6: e8 59 07 01 fd callq 0xfd010764
b: 4c 89 ff mov %r15,%rdi
e: be 04 00 00 00 mov $0x4,%esi
13: e8 4c 07 01 fd callq 0xfd010764
18: 43 0f b6 04 26 movzbl (%r14,%r12,1),%eax
1d: 84 c0 test %al,%al
1f: 75 7d jne 0x9e
21: 8b 44 24 20 mov 0x20(%rsp),%eax
25: b9 ff 00 00 00 mov $0xff,%ecx
* 2a: f0 41 0f b1 4d 00 lock cmpxchg %ecx,0x0(%r13) <-- trapping instruction
30: 75 33 jne 0x65
32: 48 c7 04 24 0e 36 e0 movq $0x45e0360e,(%rsp)
39: 45
3a: 49 rex.WB
3b: c7 .byte 0xc7
3c: 04 1c add $0x1c,%al