bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217 building syzkaller on d32b0bbf2f8cfe548553c4012e2c0f79040d999f testing commit a1b977b49b66c75e6c51a515f6700371ae720217 with gcc (GCC) 8.4.1 20210217 kernel signature: 0ef6d173f168b35cae64631a077468c0482dd5f55514dec2b38fd61f2fc4d33e 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 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 corrupted 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 corrupted run #19: crashed: kernel BUG in f2fs_evict_inode testing current HEAD eb575cd5d7f60241d016fdd13a9e86d962093c9b testing commit eb575cd5d7f60241d016fdd13a9e86d962093c9b with gcc (GCC) 8.4.1 20210217 kernel signature: 1d34d71dc0e7d3bfdaae0fe440d6cf14e626fb0486c3cf8a5b934f0d20faa3b4 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 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 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: 22m57.944355341s (build: 16m29.556150354s, test: 6m4.045223573s) the crash still happens on HEAD commit msg: Linux 4.19.195 crash: kernel BUG in corrupted F2FS-fs (loop4): Can't find valid F2FS filesystem in 2th superblock 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! ------------[ 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: 7388 Comm: syz-executor.1 Not tainted 4.19.195-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 86 6a 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 83 6a a8 fe e9 1c f8 ff ff 4c 89 f7 e8 76 6a a8 fe e9 2f RSP: 0018:ffff8881d486f910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881d49b4240 RCX: 0000000000000001 RDX: 1ffff110394fccb2 RSI: 0000000000000001 RDI: ffff8881cfab4244 RBP: ffff8881d486f988 R08: 0000000000000000 R09: ffffed103ece473a R10: ffffed103ece473a R11: ffff8881f67239d3 R12: ffff8881ca7e61c0 R13: ffff8881cfab41c0 R14: dffffc0000000000 R15: ffff8881d49b47f8 FS: 00007f72395ca700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a43711000 CR3: 00000001d4fd1005 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:00007f72395c9fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f72395ca000 RBP: 00007f72395ca040 R08: 00007f72395ca040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f72395ca000 R15: 00000000200015c0 Modules linked in: invalid opcode: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 7400 Comm: syz-executor.2 Tainted: G D 4.19.195-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 86 6a 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 83 6a a8 fe e9 1c f8 ff ff 4c 89 f7 e8 76 6a a8 fe e9 2f RSP: 0018:ffff8881cde97910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881d42482c0 RCX: 0000000000000001 RDX: 1ffff11038e814c2 RSI: 0000000000000001 RDI: ffff8881f4efed44 RBP: ffff8881cde97988 R08: 0000000000000000 R09: ffffed103ecc473a R10: ffffed103ecc473a R11: ffff8881f66239d3 R12: ffff8881c740a240 R13: ffff8881f4efecc0 R14: dffffc0000000000 R15: ffff8881d4248878 FS: 00007fe30a4ca700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f61f88d6a80 CR3: 00000001d4632006 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:00007fe30a4c9fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fe30a4ca000 RBP: 00007fe30a4ca040 R08: 00007fe30a4ca040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fe30a4ca000 R15: 00000000200015c0 Modules linked in: invalid opcode: 0000 [#3] PREEMPT SMP KASAN CPU: 1 PID: 7402 Comm: syz-executor.3 Tainted: G D 4.19.195-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 86 6a 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 83 6a a8 fe e9 1c f8 ff ff 4c 89 f7 e8 76 6a a8 fe e9 2f RSP: 0018:ffff8881cde4f910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881cfa60340 RCX: 0000000000000001 RDX: 1ffff110394fe4d2 RSI: 0000000000000001 RDI: ffff8881f4c261c4 RBP: ffff8881cde4f988 R08: 0000000000000000 R09: ffffed103ece473a R10: ffffed103ece473a R11: ffff8881f67239d3 R12: ffff8881ca7f22c0 R13: ffff8881f4c26140 R14: dffffc0000000000 R15: ffff8881cfa608f8 FS: 00007f2ab6c40700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a43716000 CR3: 00000001d471b005 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:00007f2ab6c3ffa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f2ab6c40000 RBP: 00007f2ab6c40040 R08: 00007f2ab6c40040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f2ab6c40000 R15: 00000000200015c0 Modules linked in: invalid opcode: 0000 [#4] PREEMPT SMP KASAN ------------[ cut here ]------------ CPU: 1 PID: 7401 Comm: syz-executor.4 Tainted: G D 4.19.195-syzkaller #0 kernel BUG at fs/f2fs/inode.c:706! Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ieee80211 phy12: Selected rate control algorithm 'minstrel_ht' RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706 Code: e9 df f8 ff ff 48 8b 7d a0 e8 86 6a 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 83 6a a8 fe e9 1c f8 ff ff 4c 89 f7 e8 76 6a a8 fe e9 2f RSP: 0018:ffff8881cfacf910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881d4604300 RCX: 0000000000000001 RDX: 1ffff11038e850e2 RSI: 0000000000000001 RDI: ffff8881d4726204 RBP: ffff8881cfacf988 R08: 0000000000000000 R09: ffffed103ece473a R10: ffffed103ece473a R11: ffff8881f67239d3 R12: ffff8881c7428340 R13: ffff8881d4726180 R14: dffffc0000000000 R15: ffff8881d46048b8 FS: 00007fd89dc75700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a43719008 CR3: 00000001cf8a1005 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:00007fd89dc74fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fd89dc75000 RBP: 00007fd89dc75040 R08: 00007fd89dc75040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fd89dc75000 R15: 00000000200015c0 Modules linked in: ---[ end trace 8e1525519e651443 ]--- invalid opcode: 0000 [#5] PREEMPT SMP KASAN RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706 CPU: 0 PID: 7433 Comm: syz-executor.0 Tainted: G D 4.19.195-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 86 6a 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 83 6a a8 fe e9 1c f8 ff ff 4c 89 f7 e8 76 6a a8 fe e9 2f Code: e9 df f8 ff ff 48 8b 7d a0 e8 86 6a 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 83 6a a8 fe e9 1c f8 ff ff 4c 89 f7 e8 76 6a a8 fe e9 2f RSP: 0018:ffff8881cd8f7910 EFLAGS: 00010202 RAX: 0000000000000142 RBX: ffff8881f485c680 RCX: 0000000000000001 RDX: 1ffff11038e8fcf2 RSI: 0000000000000001 RDI: ffff8881f4866cc4 RBP: ffff8881cd8f7988 R08: 0000000000000000 R09: fffff94000ea16de R10: fffff94000ea16de R11: ffffea000750b6f7 R12: ffff8881c747e3c0 R13: ffff8881f4866c40 R14: dffffc0000000000 R15: ffff8881f485cc38 FS: 00007f19820de700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc7fbb7ff8 CR3: 00000001d5774001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RSP: 0018:ffff8881d486f910 EFLAGS: 00010202 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 RAX: 0000000000000142 RBX: ffff8881d49b4240 RCX: 0000000000000001 mount_bdev+0x26f/0x330 fs/super.c:1158 RDX: 1ffff110394fccb2 RSI: 0000000000000001 RDI: ffff8881cfab4244 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 RBP: ffff8881d486f988 R08: 0000000000000000 R09: ffffed103ece473a R10: ffffed103ece473a R11: ffff8881f67239d3 R12: ffff8881ca7e61c0 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 R13: ffff8881cfab41c0 R14: dffffc0000000000 R15: ffff8881d49b47f8 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:00007f19820ddfa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000466d6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f19820de000 RBP: 00007f19820de040 R08: 00007f19820de040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f19820de000 R15: 00000000200015c0 Modules linked in: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready FS: 00007fd89dc75700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 ---[ end trace 8e1525519e651444 ]--- CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ieee80211 phy13: Selected rate control algorithm 'minstrel_ht' CR2: 000055b28b09a000 CR3: 00000001cf8a1003 CR4: 00000000001606e0 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RIP: 0010:f2fs_evict_inode+0xd06/0x1000 fs/f2fs/inode.c:706