bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217 building syzkaller on d32b0bbf2f8cfe548553c4012e2c0f79040d999f testing commit a1b977b49b66c75e6c51a515f6700371ae720217 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 98dc827e9d0373bffde5c81079426e7918ab8fba253470a5f26be74f97485454 run #0: crashed: kernel BUG in corrupted run #1: crashed: kernel BUG in f2fs_evict_inode run #2: crashed: kernel BUG in f2fs_evict_inode 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 f2fs_evict_inode 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 f2fs_evict_inode 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 a89b48fe9308d976d9dcb2112e264d647f7efce4 testing commit a89b48fe9308d976d9dcb2112e264d647f7efce4 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 5eed3736add96f48842a0f59c4d208621288f9351233b29b94d5129dc328e2eb run #0: crashed: kernel BUG in f2fs_evict_inode run #1: crashed: kernel BUG in corrupted run #2: crashed: kernel BUG in f2fs_evict_inode run #3: crashed: kernel BUG in corrupted run #4: crashed: kernel BUG in f2fs_evict_inode run #5: crashed: kernel BUG in f2fs_evict_inode run #6: crashed: kernel BUG in corrupted run #7: crashed: kernel BUG in f2fs_evict_inode run #8: crashed: kernel BUG in f2fs_evict_inode run #9: crashed: kernel BUG in corrupted revisions tested: 2, total time: 29m49.784536356s (build: 22m41.79786481s, test: 6m36.816453033s) the crash still happens on HEAD commit msg: Linux 4.19.199 crash: kernel BUG in corrupted IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ------------[ cut here ]------------ kernel BUG at fs/f2fs/inode.c:706! ------------[ cut here ]------------ kernel BUG at fs/f2fs/inode.c:706! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 7387 Comm: syz-executor.0 Not tainted 4.19.199-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ------------[ cut here ]------------ RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706 kernel BUG at fs/f2fs/inode.c:706! Code: e9 df f8 ff ff 48 8b 7d a0 e8 16 63 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 5f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 13 63 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 06 63 a8 fe e9 2f RSP: 0018:ffff8881d53c7910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881d421c280 RCX: 0000000000000001 RDX: 1ffff110393ffcba RSI: 0000000000000001 RDI: ffff8881f499e844 RBP: ffff8881d53c7988 R08: 0000000000000000 R09: ffffed103ece473a R10: ffffed103ece473a R11: ffff8881f67239d3 R12: ffff8881c9ffe200 R13: ffff8881f499e7c0 R14: dffffc0000000000 R15: ffff8881d421c838 FS: 00007f7ea26f9700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f22226fe8 CR3: 00000001d48f5003 CR4: 00000000001606e0 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 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:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 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:00007f7ea26f8fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7ea26f9000 RBP: 00007f7ea26f9040 R08: 00007f7ea26f9040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f7ea26f9000 R15: 00000000200015c0 Modules linked in: invalid opcode: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 7406 Comm: syz-executor.3 Tainted: G D 4.19.199-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ---[ end trace 8ad5571c003ff0b3 ]--- RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706 Code: e9 df f8 ff ff 48 8b 7d a0 e8 16 63 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 5f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 13 63 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 06 63 a8 fe e9 2f RSP: 0018:ffff8881cd56f910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881cd618300 RCX: 0000000000000001 RDX: 1ffff110393ff4aa RSI: 0000000000000001 RDI: ffff8881d76ea544 RBP: ffff8881cd56f988 R08: 0000000000000000 R09: ffffed103ecc473a R10: ffffed103ecc473a R11: ffff8881f66239d3 R12: ffff8881c9ffa180 R13: ffff8881d76ea4c0 R14: dffffc0000000000 R15: ffff8881cd6188b8 FS: 00007f55d4828700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7ac9b7e080 CR3: 00000001cf065001 CR4: 00000000001606f0 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 RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706 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:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 Code: e9 df f8 ff ff 48 8b 7d a0 e8 16 63 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 5f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 13 63 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 06 63 a8 fe e9 2f ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 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:00007f55d4827fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f55d4828000 RBP: 00007f55d4828040 R08: 00007f55d4828040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f55d4828000 R15: 00000000200015c0 Modules linked in: RSP: 0018:ffff8881d53c7910 EFLAGS: 00010202 invalid opcode: 0000 [#3] PREEMPT SMP KASAN ------------[ cut here ]------------ CPU: 0 PID: 7426 Comm: syz-executor.2 Tainted: G D 4.19.199-syzkaller #0 kernel BUG at fs/f2fs/inode.c:706! 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 16 63 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 5f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 13 63 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 06 63 a8 fe e9 2f RSP: 0018:ffff8881cd6d7910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881cd7809c0 RCX: 0000000000000001 RDX: 1ffff11038e0baca RSI: 0000000000000001 RDI: ffff8881dac66f44 RBP: ffff8881cd6d7988 R08: 0000000000000000 R09: fffff94000f9cabe R10: fffff94000f9cabe R11: ffffea0007ce55f7 R12: ffff8881c705d280 R13: ffff8881dac66ec0 R14: dffffc0000000000 R15: ffff8881cd780f78 FS: 00007f3411d02700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7acac02000 CR3: 00000001d89d3004 CR4: 00000000001606f0 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 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:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 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:00007f3411d01fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f3411d02000 RBP: 00007f3411d02040 R08: 00007f3411d02040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f3411d02000 R15: 00000000200015c0 Modules linked in: invalid opcode: 0000 [#4] PREEMPT SMP KASAN CPU: 1 PID: 7444 Comm: syz-executor.1 Tainted: G D 4.19.199-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 16 63 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 5f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 13 63 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 06 63 a8 fe e9 2f RSP: 0018:ffff8881cdaf7910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881cd7d4d00 RCX: 0000000000000001 RDX: 1ffff11038e128fa RSI: 0000000000000001 RDI: ffff8881c864acc4 RBP: ffff8881cdaf7988 R08: 0000000000000000 R09: fffff94000e43a76 R10: fffff94000e43a76 R11: ffffea000721d3b7 R12: ffff8881c7094400 R13: ffff8881c864ac40 R14: dffffc0000000000 R15: ffff8881cd7d52b8 FS: 00007fa662ba3700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005606a7c21000 CR3: 00000001ddef4006 CR4: 00000000001606e0 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 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:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 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:00007fa662ba2fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fa662ba3000 RBP: 00007fa662ba3040 R08: 00007fa662ba3040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fa662ba3000 R15: 00000000200015c0 Modules linked in: ------------[ cut here ]------------ kernel BUG at fs/f2fs/inode.c:706! RAX: 0000000000000142 RBX: ffff8881d421c280 RCX: 0000000000000001 invalid opcode: 0000 [#5] PREEMPT SMP KASAN CPU: 0 PID: 7409 Comm: syz-executor.5 Tainted: G D 4.19.199-syzkaller #0 RDX: 1ffff110393ffcba RSI: 0000000000000001 RDI: ffff8881f499e844 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 RBP: ffff8881d53c7988 R08: 0000000000000000 R09: ffffed103ece473a Code: e9 df f8 ff ff 48 8b 7d a0 e8 16 63 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 5f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 13 63 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 06 63 a8 fe e9 2f R10: ffffed103ece473a R11: ffff8881f67239d3 R12: ffff8881c9ffe200 R13: ffff8881f499e7c0 R14: dffffc0000000000 R15: ffff8881d421c838 RSP: 0018:ffff8881cda37910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881d7444340 RCX: 0000000000000001 RDX: 1ffff11038e0beda RSI: 0000000000000001 RDI: ffff8881f3d30c04 RBP: ffff8881cda37988 R08: 0000000000000000 R09: fffff94000fa1726 R10: fffff94000fa1726 R11: ffffea0007d0b937 R12: ffff8881c705f300 R13: ffff8881f3d30b80 R14: dffffc0000000000 R15: ffff8881d74448f8 FS: 00007f130aab1700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff6fbf0c60 CR3: 00000001d4679005 CR4: 00000000001606f0 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 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:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 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:00007f130aab0fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f130aab1000 RBP: 00007f130aab1040 R08: 00007f130aab1040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f130aab1000 R15: 00000000200015c0 Modules linked in: ------------[ cut here ]------------ FS: 00007f7ea26f9700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 kernel BUG at fs/f2fs/inode.c:706! CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 invalid opcode: 0000 [#6] PREEMPT SMP KASAN CR2: 00007f8abb8dc000 CR3: 00000001d48f5003 CR4: 00000000001606e0 CPU: 0 PID: 7449 Comm: syz-executor.4 Tainted: G D 4.19.199-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 16 63 a8 fe e9 a3 f3 ff ff 85 c0 0f 84 8b fc ff ff eb 9a 4c 89 e7 e8 5f 41 03 00 e9 94 f6 ff ff <0f> 0b e8 13 63 a8 fe e9 1c f8 ff ff 4c 89 f7 e8 06 63 a8 fe e9 2f RSP: 0018:ffff8881d39b7910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881f4218d40 RCX: 0000000000000001 RDX: 1ffff11038e19d0a RSI: 0000000000000001 RDI: ffff8881cd9e0c44 RBP: ffff8881d39b7988 R08: 0000000000000000 R09: fffff94000f98056 R10: fffff94000f98056 R11: ffffea0007cc02b7 R12: ffff8881c70ce480 R13: ffff8881cd9e0bc0 R14: dffffc0000000000 R15: ffff8881f42192f8 FS: 00007f2f22227700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 CR2: 0000565078f3c000 CR3: 00000001d424f004 CR4: 00000000001606f0