bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217 building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463 testing commit a1b977b49b66c75e6c51a515f6700371ae720217 with gcc (GCC) 8.4.1 20210217 kernel signature: 6ab0fa65d6151cbecb6223b9a1df81c8a20f9c6bab1549b2409234f111f98d7d all runs: crashed: WARNING in drop_nlink testing current HEAD 030194a5b292bb7613407668d85af0b987bb9839 testing commit 030194a5b292bb7613407668d85af0b987bb9839 with gcc (GCC) 8.4.1 20210217 kernel signature: d21e3dcea8c7bc82017d8462bff03b13ceaff58e6bd6b24b36b1818b685f086c all runs: crashed: WARNING in drop_nlink revisions tested: 2, total time: 24m19.576347994s (build: 17m27.169863535s, test: 6m20.985146587s) the crash still happens on HEAD commit msg: Linux 4.19.180 crash: WARNING in drop_nlink 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 MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7406 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7406 Comm: syz-executor.0 Not tainted 4.19.180-syzkaller #0 MINIX-fs: mounting unchecked file system, running fsck is recommended Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 ------------[ cut here ]------------ RSP: 0018:ffff8881d366f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9f7a0c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881d366f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9f7a108 R13: ffff8881c9f7b9e0 R14: 0000000000000000 R15: ffff8881c992f080 FS: 00007fe03e867700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 WARNING: CPU: 0 PID: 7413 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Modules linked in: CR2: 0000559f71df6000 CR3: 00000001d4597002 CR4: 00000000001606e0 CPU: 0 PID: 7413 Comm: syz-executor.5 Not tainted 4.19.180-syzkaller #0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881d43cf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9f40180 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881d43cf9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9f401c8 R13: ffff8881c9f41aa0 R14: 0000000000000000 R15: ffff8881c9a55080 vfs_rename+0xa13/0x1860 fs/namei.c:4479 FS: 00007fae670d6700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559f71dcb030 CR3: 00000001d71c7006 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 do_renameat2+0x60d/0xa00 fs/namei.c:4629 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 do_renameat2+0x60d/0xa00 fs/namei.c:4629 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe03e867188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffdd14c6f6f R14: 00007fe03e867300 R15: 0000000000022000 irq event stamp: 1280 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 hardirqs last enabled at (1279): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1279): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1280): [] trace_hardirqs_off_thunk+0x1a/0x1c do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 softirqs last enabled at (1274): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 entry_SYSCALL_64_after_hwframe+0x49/0xbe softirqs last disabled at (1255): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1255): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 RIP: 0033:0x465809 ---[ end trace 24077cfb3744dec5 ]--- Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fae670d6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd0c0c2daf R14: 00007fae670d6300 R15: 0000000000022000 irq event stamp: 1250 hardirqs last enabled at (1249): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1250): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1078): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1078): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1074): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1074): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 24077cfb3744dec6 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7425 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7425 Comm: syz-executor.3 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881d28279e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9f49040 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8a3e3aa0 RBP: ffff8881d28279f8 R08: ffffed103ecc3eef R09: ffffed103ecc3eee R10: ffffed103ecc3eee R11: ffff8881f661f777 R12: ffff8881c9f49088 R13: ffff8881c9f4a960 R14: 0000000000000000 R15: ffff8881cffc2080 FS: 00007fc6f56b7700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6f56b8000 CR3: 00000001d4b7e001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc6f56b7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fff685eb91f R14: 00007fc6f56b7300 R15: 0000000000022000 irq event stamp: 1052 hardirqs last enabled at (1051): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1051): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1052): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (902): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (902): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (898): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (898): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 24077cfb3744dec7 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7442 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7442 Comm: syz-executor.1 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881f32279e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9f565f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881f32279f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9f56638 R13: ffff8881c9f56180 R14: 0000000000000000 R15: ffff8881c9878080 FS: 00007f6b0931b700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd9f0f6cdc CR3: 00000001d3c2f003 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6b0931b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fffc09b222f R14: 00007f6b0931b300 R15: 0000000000022000 irq event stamp: 1210 hardirqs last enabled at (1209): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1209): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1210): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1204): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1073): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1073): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744dec8 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7455 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7455 Comm: syz-executor.2 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881de1cf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9f9b240 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881de1cf9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9f9b288 R13: ffff8881c9f9cb60 R14: 0000000000000000 R15: ffff8881c990c080 FS: 00007f278ee76700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f278ee77000 CR3: 00000001f3e4c002 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f278ee76188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffeefe8464f R14: 00007f278ee76300 R15: 0000000000022000 irq event stamp: 1214 hardirqs last enabled at (1213): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1214): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1188): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1141): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1141): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744dec9 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended WARNING: CPU: 1 PID: 7466 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 ------------[ cut here ]------------ Modules linked in: CPU: 1 PID: 7466 Comm: syz-executor.0 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881d6f479e0 EFLAGS: 00010282 WARNING: CPU: 0 PID: 7472 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RAX: 0000000000000024 RBX: ffff8881c9f610c0 RCX: 0000000000000000 Modules linked in: RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 CPU: 0 PID: 7472 Comm: syz-executor.5 Tainted: G W 4.19.180-syzkaller #0 RBP: ffff8881d6f479f8 R08: ffffed103ece5081 R09: ffffed103ece5080 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9f61108 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 R13: ffff8881c9fa49e0 R14: 0000000000000000 R15: ffff8881c9b46080 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 FS: 00007fe03e867700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 RSP: 0018:ffff8881d63a79e0 EFLAGS: 00010282 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RAX: 0000000000000024 RBX: ffff8881c9f69180 RCX: 0000000000000000 CR2: 0000559f71e24ad0 CR3: 00000001e7c4c003 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RBP: ffff8881d63a79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9f691c8 Call Trace: R13: ffff8881c9f6aaa0 R14: 0000000000000000 R15: ffff8881c9b55080 FS: 00007fae670d6700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1a3f23d000 CR3: 00000001f47ef001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 RSP: 002b:00007fe03e867188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a entry_SYSCALL_64_after_hwframe+0x49/0xbe RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 RIP: 0033:0x465809 R13: 00007ffdd14c6f6f R14: 00007fe03e867300 R15: 0000000000022000 irq event stamp: 1182 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 hardirqs last enabled at (1181): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1181): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1182): [] trace_hardirqs_off_thunk+0x1a/0x1c RSP: 002b:00007fae670d6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 softirqs last enabled at (1178): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 softirqs last disabled at (1141): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1141): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744deca ]--- RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd0c0c2daf R14: 00007fae670d6300 R15: 0000000000022000 irq event stamp: 1082 hardirqs last enabled at (1081): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1081): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1082): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1078): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1063): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1063): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744decb ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7492 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7492 Comm: syz-executor.3 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881cda579e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9fb1040 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881cda579f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9fb1088 R13: ffff8881c9fb2960 R14: 0000000000000000 R15: ffff8881c9b4c080 FS: 00007fc6f56b7700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6f56b8000 CR3: 00000001f3c9e001 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc6f56b7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fff685eb91f R14: 00007fc6f56b7300 R15: 0000000000022000 irq event stamp: 1130 hardirqs last enabled at (1129): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1129): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1130): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (978): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (978): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (974): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (974): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 24077cfb3744decc ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7502 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7502 Comm: syz-executor.1 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 MINIX-fs: mounting unchecked file system, running fsck is recommended Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881cfa9f9e0 EFLAGS: 00010282 ------------[ cut here ]------------ RAX: 0000000000000024 RBX: ffff8881c9fb9140 RCX: 0000000000000000 WARNING: CPU: 0 PID: 7509 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 Modules linked in: RBP: ffff8881cfa9f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9fb9188 CPU: 0 PID: 7509 Comm: syz-executor.4 Tainted: G W 4.19.180-syzkaller #0 R13: ffff8881c9fbaa60 R14: 0000000000000000 R15: ffff8881c9b54080 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 FS: 00007f6b0931b700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 CR2: 00007f35fc5b4fe8 CR3: 00000001f42e0005 CR4: 00000000001606e0 RSP: 0018:ffff8881c813f9e0 EFLAGS: 00010282 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RAX: 0000000000000024 RBX: ffff8881c9ff8200 RCX: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881c813f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9ff8248 R13: ffff8881c9ff9b20 R14: 0000000000000000 R15: ffff8881c9b1d080 FS: 00007f35fc5b5700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f35fc5b6000 CR3: 00000001ec06a005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 RIP: 0033:0x465809 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 entry_SYSCALL_64_after_hwframe+0x49/0xbe RSP: 002b:00007f6b0931b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RIP: 0033:0x465809 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RSP: 002b:00007f35fc5b5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fffc09b222f R14: 00007f6b0931b300 R15: 0000000000022000 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a irq event stamp: 3968 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 hardirqs last enabled at (3967): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (3967): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 hardirqs last disabled at (3968): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3962): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 R13: 00007ffd657495ef R14: 00007f35fc5b5300 R15: 0000000000022000 irq event stamp: 3074 softirqs last disabled at (3937): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3937): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744decd ]--- hardirqs last enabled at (3073): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (3074): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2904): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (2904): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (2900): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (2900): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 24077cfb3744dece ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7524 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7524 Comm: syz-executor.2 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881d19a79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd5320c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881d19a79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd532108 R13: ffff8881cd5339e0 R14: 0000000000000000 R15: ffff8881d53e4080 FS: 00007f278ee76700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f278ee77000 CR3: 00000001d3cc3004 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f278ee76188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffeefe8464f R14: 00007f278ee76300 R15: 0000000000022000 irq event stamp: 1284 hardirqs last enabled at (1283): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1283): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1284): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1278): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1203): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1203): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744decf ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7539 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7539 Comm: syz-executor.0 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881c7c379e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd47a670 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881c7c379f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cd47a6b8 R13: ffff8881cd47a200 R14: 0000000000000000 R15: ffff8881c9bac080 FS: 00007fe03e867700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe03e868000 CR3: 00000001d8c1c004 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe03e867188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffdd14c6f6f R14: 00007fe03e867300 R15: 0000000000022000 irq event stamp: 1066 hardirqs last enabled at (1065): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1065): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1066): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1060): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1027): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1027): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded0 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7551 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7551 Comm: syz-executor.2 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881c7f6f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd584040 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881c7f6f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd584088 R13: ffff8881cd635960 R14: 0000000000000000 R15: ffff8881c9ae8080 FS: 00007f278ee76700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1a3f25e010 CR3: 00000001db9f6006 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f278ee76188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffeefe8464f R14: 00007f278ee76300 R15: 0000000000022000 irq event stamp: 1236 hardirqs last enabled at (1235): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1236): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1210): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1123): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1123): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded1 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7564 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7564 Comm: syz-executor.5 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881e7bd79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd56f5f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881e7bd79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cd56f638 R13: ffff8881cd56f180 R14: 0000000000000000 R15: ffff8881c9b0b080 FS: 00007fae670d6700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae670d7000 CR3: 00000001d5bcd005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fae670d6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd0c0c2daf R14: 00007fae670d6300 R15: 0000000000022000 irq event stamp: 1102 hardirqs last enabled at (1101): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1101): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1102): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1096): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1043): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1043): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded2 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7576 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7576 Comm: syz-executor.1 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881c785f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd59fb60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881c785f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd59fba8 R13: ffff8881cd59f6f0 R14: 0000000000000000 R15: ffff8881c9acb080 FS: 00007f6b0931b700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6b0931c000 CR3: 00000001ed0eb004 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6b0931b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fffc09b222f R14: 00007f6b0931b300 R15: 0000000000022000 irq event stamp: 1128 hardirqs last enabled at (1127): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1127): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1128): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1122): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1103): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1103): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded3 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7585 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7585 Comm: syz-executor.0 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881c785f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd53d570 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881c785f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cd53d5b8 R13: ffff8881cd53d100 R14: 0000000000000000 R15: ffff8881c993a080 FS: 00007fe03e867700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe03e868000 CR3: 00000001d9108002 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe03e867188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffdd14c6f6f R14: 00007fe03e867300 R15: 0000000000022000 irq event stamp: 1102 hardirqs last enabled at (1101): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1102): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1038): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1017): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1017): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded4 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7593 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7593 Comm: syz-executor.4 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881c794f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd52f670 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881c794f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd52f6b8 R13: ffff8881cd52f200 R14: 0000000000000000 R15: ffff8881c9adf080 FS: 00007f35fc5b5700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd9f104c60 CR3: 00000001d78be001 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f35fc5b5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd657495ef R14: 00007f35fc5b5300 R15: 0000000000022000 irq event stamp: 1118 hardirqs last enabled at (1117): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1117): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1118): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (948): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (948): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (944): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (944): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 24077cfb3744ded5 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7617 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7617 Comm: syz-executor.2 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881c6dc79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd52c960 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881c6dc79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cd52c9a8 R13: ffff8881cd52c4f0 R14: 0000000000000000 R15: ffff8881d53ab080 FS: 00007f278ee76700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd9f0f6de7 CR3: 00000001e58b6001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f278ee76188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffeefe8464f R14: 00007f278ee76300 R15: 0000000000022000 irq event stamp: 1184 hardirqs last enabled at (1183): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1184): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1158): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1051): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1051): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded6 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7628 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7628 Comm: syz-executor.5 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881e215f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9fc05f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881e215f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9fc0638 R13: ffff8881c9fc0180 R14: 0000000000000000 R15: ffff8881c9ae6080 FS: 00007fae670d6700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae670d7000 CR3: 00000001e1aab005 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fae670d6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd0c0c2daf R14: 00007fae670d6300 R15: 0000000000022000 irq event stamp: 1168 hardirqs last enabled at (1167): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1167): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1168): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1162): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1145): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1145): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded7 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7639 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7639 Comm: syz-executor.0 Tainted: G W 4.19.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b 14 bf fa 4c 89 e7 e8 b1 35 b0 fa eb ea 48 c7 c7 40 b2 53 87 e8 3f 03 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RSP: 0018:ffff8881d06e79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9fffb60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b6040 RDI: ffffffff8a3e3aa0 RBP: ffff8881d06e79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9fffba8 R13: ffff8881c9fff6f0 R14: 0000000000000000 R15: ffff8881c99d7080 FS: 00007fe03e867700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe03e868000 CR3: 00000001ee1cd006 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe03e867188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffdd14c6f6f R14: 00007fe03e867300 R15: 0000000000022000 irq event stamp: 1114 hardirqs last enabled at (1113): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1114): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1088): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1059): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1059): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 24077cfb3744ded8 ]---