general protection fault in f2fs_drop_extent

Date	Name	Commit	Repro	Result
2023/08/08	linux-6.1.y (ToT)	52a953d0934b	C	[report] general protection fault in f2fs_drop_extent_tree
2023/06/24	upstream (ToT)	a92b7d26c743	C	[report] general protection fault in __drop_extent_tree
2023/08/08	upstream (ToT)	14f9643dc90a	C	Didn't crash

Date

Name

Commit

Repro

Result

2023/08/08

linux-6.1.y (ToT)

52a953d0934b

[report] general protection fault in f2fs_drop_extent_tree

2023/06/24

upstream (ToT)

a92b7d26c743

[report] general protection fault in __drop_extent_tree

2023/08/08

upstream (ToT)

14f9643dc90a

Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in f2fs_drop_extent_tree f2fs	C	error	done	1	545d	541d	23/28	fixed on 2023/10/12 12:48

upstream

general protection fault in f2fs_drop_extent_tree f2fs

error

done

545d

541d

23/28

fixed on 2023/10/12 12:48


Created	Duration	User	Repo	Result
2023/12/21 00:01	7h17m	fix candidate	upstream	OK (1) job log
2023/12/07 10:49	2h00m	bisect fix	linux-6.1.y	OK (0) job log log
2023/11/07 04:58	2h39m	bisect fix	linux-6.1.y	OK (0) job log log
2023/10/05 06:59	2h00m	bisect fix	linux-6.1.y	OK (0) job log log

general protection fault, probably for non-canonical address 0xdffffc0000000009: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000048-0x000000000000004f] CPU: 0 PID: 3550 Comm: syz-executor148 Not tainted 6.1.35-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:__lock_acquire+0x69/0x1f80 kernel/locking/lockdep.c:4926 Code: df 0f b6 04 10 84 c0 0f 85 fb 15 00 00 83 3d f1 85 e9 0c 00 0f 84 a8 14 00 00 83 3d c0 79 75 0b 00 74 2b 4c 89 f0 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 39 46 76 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90003aefb00 EFLAGS: 00010006 RAX: 0000000000000009 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000048 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff8880297a8000 R14: 0000000000000048 R15: 0000000000000001 FS: 00007fdc0782c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe5c1def88 CR3: 000000007bb80000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5669 __raw_write_lock include/linux/rwlock_api_smp.h:209 [inline] _raw_write_lock+0x2a/0x40 kernel/locking/spinlock.c:300 __drop_extent_tree fs/f2fs/extent_cache.c:966 [inline] f2fs_drop_extent_tree+0x274/0x4d0 fs/f2fs/extent_cache.c:982 f2fs_insert_range+0x2d5/0x3c0 fs/f2fs/file.c:1666 f2fs_fallocate+0x4e0/0x6d0 fs/f2fs/file.c:1840 vfs_fallocate+0x547/0x6b0 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __x64_sys_fallocate+0xb9/0x100 fs/open.c:352 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: 0033:0x7fdc07880479 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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:00007fdc0782c2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fdc0790a7a0 RCX: 00007fdc07880479 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000005 RBP: 00007fdc078d7818 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010000 R11: 0000000000000246 R12: 00007fdc078d76e0 R13: 0030656c69662f2e R14: 4b55cd3db08b6c4e R15: 00007fdc0790a7a8 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x69/0x1f80 kernel/locking/lockdep.c:4926 Code: df 0f b6 04 10 84 c0 0f 85 fb 15 00 00 83 3d f1 85 e9 0c 00 0f 84 a8 14 00 00 83 3d c0 79 75 0b 00 74 2b 4c 89 f0 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 f7 e8 39 46 76 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc90003aefb00 EFLAGS: 00010006 RAX: 0000000000000009 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000048 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff8880297a8000 R14: 0000000000000048 R15: 0000000000000001 FS: 00007fdc0782c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe5c1def88 CR3: 000000007bb80000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: df 0f fisttps (%rdi) 2: b6 04 mov $0x4,%dh 4: 10 84 c0 0f 85 fb 15 adc %al,0x15fb850f(%rax,%rax,8) b: 00 00 add %al,(%rax) d: 83 3d f1 85 e9 0c 00 cmpl $0x0,0xce985f1(%rip) # 0xce98605 14: 0f 84 a8 14 00 00 je 0x14c2 1a: 83 3d c0 79 75 0b 00 cmpl $0x0,0xb7579c0(%rip) # 0xb7579e1 21: 74 2b je 0x4e 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 f7 mov %r14,%rdi 33: e8 39 46 76 00 callq 0x764671 38: 48 rex.W 39: ba 00 00 00 00 mov $0x0,%edx 3e: 00 fc add %bh,%ah

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/06/23 01:12	linux-6.1.y	e84a4e368abe	79782afc	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image] [mounted in repro]	ci2-linux-6-1-kasan	general protection fault in f2fs_drop_extent_tree

Crashes (1):

Assets (help?)