bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217
building syzkaller on d32b0bbf2f8cfe548553c4012e2c0f79040d999f
testing commit a1b977b49b66c75e6c51a515f6700371ae720217
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: a519562c7f66f9d07748f97818b5ce68a285b74daf003e34c3db70f93571dab1
run #0: crashed: kernel BUG in f2fs_evict_inode
run #1: crashed: kernel BUG in f2fs_evict_inode
run #2: crashed: kernel BUG in corrupted
run #3: crashed: kernel BUG in f2fs_evict_inode
run #4: crashed: kernel BUG in f2fs_evict_inode
run #5: crashed: kernel BUG in f2fs_evict_inode
run #6: crashed: kernel BUG in f2fs_evict_inode
run #7: crashed: kernel BUG in f2fs_evict_inode
run #8: crashed: kernel BUG in f2fs_evict_inode
run #9: crashed: kernel BUG in f2fs_evict_inode
run #10: crashed: kernel BUG in corrupted
run #11: crashed: kernel BUG in f2fs_evict_inode
run #12: crashed: kernel BUG in f2fs_evict_inode
run #13: crashed: kernel BUG in f2fs_evict_inode
run #14: crashed: kernel BUG in f2fs_evict_inode
run #15: crashed: kernel BUG in corrupted
run #16: crashed: kernel BUG in f2fs_evict_inode
run #17: crashed: kernel BUG in corrupted
run #18: crashed: kernel BUG in f2fs_evict_inode
run #19: crashed: kernel BUG in f2fs_evict_inode
testing current HEAD c2276d585654e8d573366c29c565043ec36adf63
testing commit c2276d585654e8d573366c29c565043ec36adf63
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: aae7383332f2f91f1647b3a7457b27f81d73dbbba6a1e16c710ccea92fde280f
run #0: crashed: kernel BUG in f2fs_evict_inode
run #1: crashed: kernel BUG in f2fs_evict_inode
run #2: crashed: kernel BUG in f2fs_evict_inode
run #3: crashed: kernel BUG in corrupted
run #4: crashed: kernel BUG in corrupted
run #5: crashed: kernel BUG in corrupted
run #6: crashed: kernel BUG in f2fs_evict_inode
run #7: crashed: kernel BUG in f2fs_evict_inode
run #8: crashed: kernel BUG in f2fs_evict_inode
run #9: crashed: kernel BUG in f2fs_evict_inode
revisions tested: 2, total time: 34m2.760514783s (build: 27m1.052946201s, test: 6m22.295759076s)
the crash still happens on HEAD
commit msg: Linux 4.19.208
crash: kernel BUG in f2fs_evict_inode
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
F2FS-fs (loop2): f2fs_check_nid_range: out-of-range nid=2, run fsck to fix.
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
------------[ cut here ]------------
kernel BUG at fs/f2fs/inode.c:706!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
CPU: 1 PID: 7357 Comm: syz-executor.5 Not tainted 4.19.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706
Code: e9 df f8 ff ff 48 8b 7d a0 e8 f6 76 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 6f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 f3 76 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 e6 76 a8 fe e9 2f
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
RSP: 0018:ffff8881da6ff910 EFLAGS: 00010202
RAX: 0000000000000142 RBX: ffff8881d9885080 RCX: 0000000000000001
RDX: 1ffff1103935c29a RSI: 0000000000000001 RDI: ffff8881d9a44f04
RBP: ffff8881da6ff988 R08: 0000000000000000 R09: ffffed103ece4742
R10: ffffed103ece4742 R11: ffff8881f6723a13 R12: ffff8881c9ae1100
R13: ffff8881d9a44e80 R14: dffffc0000000000 R15: ffff8881d9885638
FS:  00007fbc8bd84700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4d511b000 CR3: 00000001dce17004 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 evict+0x29c/0x590 fs/inode.c:559
 iput_final fs/inode.c:1555 [inline]
 iput fs/inode.c:1581 [inline]
 iput+0x378/0x6b0 fs/inode.c:1567
 f2fs_fill_super fs/f2fs/super.c:3064 [inline]
 f2fs_fill_super+0x4b80/0x70f0 fs/f2fs/super.c:2803
ieee80211 phy10: Selected rate control algorithm 'minstrel_ht'
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
 mount_bdev+0x26f/0x330 fs/super.c:1158
 f2fs_mount+0x10/0x20 fs/f2fs/super.c:3234
 mount_fs+0x7f/0x2b0 fs/super.c:1261
 vfs_kern_mount.part.11+0x58/0x3d0 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2492 [inline]
 do_mount+0x376/0x2630 fs/namespace.c:2822
 ksys_mount+0xb1/0xd0 fs/namespace.c:3038
 __do_sys_mount fs/namespace.c:3052 [inline]
 __se_sys_mount fs/namespace.c:3049 [inline]
 __x64_sys_mount+0xb9/0x150 fs/namespace.c:3049
 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x466d6a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbc8bd83fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fbc8bd84000
RBP: 00007fbc8bd84040 R08: 00007fbc8bd84040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fbc8bd84000 R15: 00000000200015c0
Modules linked in:
---[ end trace 675e69945bcb6a66 ]---
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706
Code: e9 df f8 ff ff 48 8b 7d a0 e8 f6 76 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 6f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 f3 76 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 e6 76 a8 fe e9 2f
RSP: 0018:ffff8881da6ff910 EFLAGS: 00010202
RAX: 0000000000000142 RBX: ffff8881d9885080 RCX: 0000000000000001
RDX: 1ffff1103935c29a RSI: 0000000000000001 RDI: ffff8881d9a44f04
RBP: ffff8881da6ff988 R08: 0000000000000000 R09: ffffed103ece4742
R10: ffffed103ece4742 R11: ffff8881f6723a13 R12: ffff8881c9ae1100
R13: ffff8881d9a44e80 R14: dffffc0000000000 R15: ffff8881d9885638
FS:  00007fbc8bd84700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e7c504fe8 CR3: 00000001dce17005 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400