bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217 building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463 testing commit a1b977b49b66c75e6c51a515f6700371ae720217 with gcc (GCC) 8.4.1 20210217 kernel signature: 3ef198e4f5c3ab8fd001f2cf5cd97aadbf7dccbf907d03db0a4ae116905ccd5f run #0: crashed: WARNING in drop_nlink run #1: crashed: WARNING in drop_nlink run #2: crashed: WARNING in drop_nlink run #3: crashed: WARNING in drop_nlink run #4: crashed: WARNING in drop_nlink run #5: crashed: WARNING in drop_nlink run #6: crashed: WARNING in drop_nlink run #7: crashed: WARNING in drop_nlink run #8: crashed: WARNING in drop_nlink run #9: crashed: WARNING in corrupted run #10: crashed: WARNING in drop_nlink run #11: crashed: WARNING in corrupted run #12: crashed: WARNING in drop_nlink run #13: crashed: WARNING in drop_nlink run #14: crashed: WARNING in drop_nlink run #15: crashed: WARNING in drop_nlink run #16: crashed: WARNING in drop_nlink run #17: crashed: WARNING in drop_nlink run #18: crashed: WARNING in drop_nlink run #19: crashed: WARNING in drop_nlink testing current HEAD 3c8c23092588a23bf1856a64f58c37f477a413be testing commit 3c8c23092588a23bf1856a64f58c37f477a413be with gcc (GCC) 8.4.1 20210217 kernel signature: 7c681f93be51ed7e0f3184966460d2728bc61c057fbdb9827c61872fb8222e6d run #0: crashed: WARNING in corrupted run #1: crashed: WARNING in drop_nlink run #2: crashed: WARNING in corrupted run #3: crashed: WARNING in drop_nlink run #4: crashed: WARNING in drop_nlink run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in drop_nlink run #7: crashed: WARNING in drop_nlink run #8: crashed: WARNING in drop_nlink run #9: crashed: WARNING in drop_nlink revisions tested: 2, total time: 28m45.975794599s (build: 21m53.113296886s, test: 6m15.847556084s) the crash still happens on HEAD commit msg: Linux 4.19.190 crash: WARNING in drop_nlink MINIX-fs: mounting unchecked file system, running fsck is recommended wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready WARNING: CPU: 1 PID: 7364 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7364 Comm: syz-executor.2 Not tainted 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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: 0000:ffff8881cf4e79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c81fe0c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881cf4e79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c81fe108 R13: ffff8881c81ff9e0 R14: 0000000000000000 R15: ffff8881c9832080 FS: 00007f18b7fc3700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007face11e2210 CR3: 00000001d4d95005 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 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 __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:00007f18b7fc3188 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: 00007fff12e8292f R14: 00007f18b7fc3300 R15: 0000000000022000 irq event stamp: 1400 hardirqs last enabled at (1399): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1399): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1400): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1210): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1210): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1206): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1206): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 267a8217e7d37565 ]--- wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 MINIX-fs: mounting unchecked file system, running fsck is recommended wlan0: 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 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ ------------[ cut here ]------------ IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready WARNING: CPU: 0 PID: 7442 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Modules linked in: CPU: 0 PID: 7442 Comm: syz-executor.3 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881d914f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c8328080 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881d914f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c83280c8 R13: ffff8881c83299a0 R14: 0000000000000000 R15: ffff8881c97c3080 FS: 00007f2dc19b1700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2dc19b2000 CR3: 00000001cf7ab001 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 WARNING: CPU: 1 PID: 7438 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7438 Comm: syz-executor.1 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881de9df9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c82cb920 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 __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 RBP: ffff8881de9df9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c82cb968 entry_SYSCALL_64_after_hwframe+0x49/0xbe R13: ffff8881c82cb4b0 R14: 0000000000000000 R15: ffff8881ceb95080 RIP: 0033:0x465809 FS: 00007feefb9f5700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 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 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RSP: 002b:00007f2dc19b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 CR2: 00007face09429ab CR3: 00000001f492c003 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 R13: 00007fffc15e2cdf R14: 00007f2dc19b1300 R15: 0000000000022000 irq event stamp: 1626 hardirqs last enabled at (1625): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1625): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1626): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1618): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1525): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1525): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d37566 ]--- 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:00007feefb9f5188 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: 00007ffcc606761f R14: 00007feefb9f5300 R15: 0000000000022000 irq event stamp: 1606 hardirqs last enabled at (1605): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1605): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1606): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1602): [] __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 267a8217e7d37567 ]--- 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 MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7465 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7465 Comm: syz-executor.2 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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 MINIX-fs: mounting unchecked file system, running fsck is recommended RSP: 0018:ffff8881dc7679e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c837d280 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881dc7679f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c837d2c8 R13: ffff8881c837e920 R14: 0000000000000000 R15: ffff8881c9aa1080 FS: 00007f18b7fc3700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f18b7fc4000 CR3: 00000001d7ff6006 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 ------------[ cut here ]------------ do_renameat2+0x60d/0xa00 fs/namei.c:4629 WARNING: CPU: 0 PID: 7469 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7469 Comm: syz-executor.0 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881d36bf9e0 EFLAGS: 00010282 __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 RAX: 0000000000000024 RBX: ffff8881c8392570 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RBP: ffff8881d36bf9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c83925b8 entry_SYSCALL_64_after_hwframe+0x49/0xbe R13: ffff8881c8392100 R14: 0000000000000000 R15: ffff8881c96be080 FS: 00007fcc0bd2b700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 RIP: 0033:0x465809 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcc0bd2c000 CR3: 00000001f2d83002 CR4: 00000000001606f0 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 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RSP: 002b:00007f18b7fc3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 Call Trace: RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fff12e8292f R14: 00007f18b7fc3300 R15: 0000000000022000 irq event stamp: 1106 hardirqs last enabled at (1105): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1105): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1106): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1100): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 vfs_rename+0xa13/0x1860 fs/namei.c:4479 softirqs last disabled at (1077): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1077): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d37568 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended minix_free_inode: bit 5 already cleared do_renameat2+0x60d/0xa00 fs/namei.c:4629 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7485 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7485 Comm: syz-executor.3 Tainted: G W 4.19.190-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 __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: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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 entry_SYSCALL_64_after_hwframe+0x49/0xbe RSP: 0018:ffff8881d309f9e0 EFLAGS: 00010282 RIP: 0033:0x465809 RAX: 0000000000000024 RBX: ffff8881c8387240 RCX: 0000000000000000 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: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RSP: 002b:00007fcc0bd2b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RBP: ffff8881d309f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c8387288 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a R13: ffff8881c8388b60 R14: 0000000000000000 R15: ffff8881c9821080 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 FS: 00007f2dc19b1700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 R13: 00007ffe6e90edaf R14: 00007fcc0bd2b300 R15: 0000000000022000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 irq event stamp: 1300 CR2: 00007f2dc19b2000 CR3: 00000001f4a2b003 CR4: 00000000001606e0 hardirqs last enabled at (1299): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1299): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hardirqs last disabled at (1300): [] trace_hardirqs_off_thunk+0x1a/0x1c DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: softirqs last enabled at (1296): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 softirqs last disabled at (1169): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1169): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d37569 ]--- 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:00007f2dc19b1188 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: 00007fffc15e2cdf R14: 00007f2dc19b1300 R15: 0000000000022000 irq event stamp: 1026 hardirqs last enabled at (1025): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1025): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1026): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (864): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (864): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (860): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (860): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 267a8217e7d3756a ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7519 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 MINIX-fs: mounting unchecked file system, running fsck is recommended Modules linked in: CPU: 0 PID: 7519 Comm: syz-executor.5 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881d70379e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c83b9b20 RCX: 0000000000000000 MINIX-fs: mounting unchecked file system, running fsck is recommended RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881d70379f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c83b9b68 R13: ffff8881c83b96b0 R14: 0000000000000000 R15: ffff8881c990b080 FS: 00007f0a2ba7b700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a2ba7c000 CR3: 00000001d41c3006 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:00007f0a2ba7b188 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: 00007ffe4632243f R14: 00007f0a2ba7b300 R15: 0000000000022000 irq event stamp: 1544 hardirqs last enabled at (1543): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1543): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1544): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1538): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1509): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1509): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d3756b ]--- ------------[ 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.3 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881d778f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c83eb6f0 RCX: 0000000000000000 MINIX-fs: deleted inode referenced: 5 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881d778f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c83eb738 R13: ffff8881c83eb280 R14: 0000000000000000 R15: ffff8881c993d080 FS: 00007f2dc1990700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2dc1991000 CR3: 00000001f389f004 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:00007f2dc1990188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RDX: 0000000000000008 RSI: 0000000020000500 RDI: 0000000000000009 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007fffc15e2cdf R14: 00007f2dc1990300 R15: 0000000000022000 irq event stamp: 380 hardirqs last enabled at (379): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (379): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (380): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (248): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (248): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (244): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (244): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 267a8217e7d3756c ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended WARNING: CPU: 0 PID: 7584 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7584 Comm: syz-executor.2 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c78bf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd0f9140 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8a3e5aa0 RBP: ffff8881c78bf9f8 R08: ffffed103ecc3eef R09: ffffed103ecc3eee R10: ffffed103ecc3eee R11: ffff8881f661f777 R12: ffff8881cd0f9188 R13: ffff8881cd113a60 R14: 0000000000000000 R15: ffff8881c985a080 FS: 00007f18b7fc3700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcc0bd2c000 CR3: 00000001d5259003 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 WARNING: CPU: 1 PID: 7592 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7592 Comm: syz-executor.5 Tainted: G W 4.19.190-syzkaller #0 do_renameat2+0x60d/0xa00 fs/namei.c:4629 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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c79179e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd1335b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c79179f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd1335f8 R13: ffff8881cd133140 R14: 0000000000000000 R15: ffff8881c99ac080 FS: 00007f0a2ba7b700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a2ba7c000 CR3: 00000001cda5f006 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 __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 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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:00007f18b7fc3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 vfs_rename+0xa13/0x1860 fs/namei.c:4479 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fff12e8292f R14: 00007f18b7fc3300 R15: 0000000000022000 irq event stamp: 1346 hardirqs last enabled at (1345): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1345): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 do_renameat2+0x60d/0xa00 fs/namei.c:4629 hardirqs last disabled at (1346): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1340): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1249): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1249): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d3756d ]--- ------------[ cut here ]------------ __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:00007f0a2ba7b188 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: 00007ffe4632243f R14: 00007f0a2ba7b300 R15: 0000000000022000 irq event stamp: 1136 WARNING: CPU: 0 PID: 7577 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 hardirqs last enabled at (1135): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1135): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 Modules linked in: hardirqs last disabled at (1136): [] trace_hardirqs_off_thunk+0x1a/0x1c CPU: 0 PID: 7577 Comm: syz-executor.4 Tainted: G W 4.19.190-syzkaller #0 softirqs last enabled at (1130): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 softirqs last disabled at (1125): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1125): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d3756e ]--- RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 ------------[ cut here ]------------ Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c87ef9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd1456f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c87ef9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cd145738 R13: ffff8881cd0ffa60 R14: 0000000000000000 R15: ffff8881c9aec080 FS: 00007f5aea6f9700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f967088f028 CR3: 00000001f35d1005 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 WARNING: CPU: 1 PID: 7585 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 vfs_rename+0xa13/0x1860 fs/namei.c:4479 Modules linked in: CPU: 1 PID: 7585 Comm: syz-executor.1 Tainted: G W 4.19.190-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 do_renameat2+0x60d/0xa00 fs/namei.c:4629 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c78af9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd1460c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c78af9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd146108 R13: ffff8881cd135aa0 R14: 0000000000000000 R15: ffff8881c97df080 FS: 00007feefb9f5700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcc0bce9718 CR3: 00000001f3b54006 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 __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 Call Trace: do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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:00007f5aea6f9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 vfs_rename+0xa13/0x1860 fs/namei.c:4479 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: 00007fff52b863ef R14: 00007f5aea6f9300 R15: 0000000000022000 do_renameat2+0x60d/0xa00 fs/namei.c:4629 irq event stamp: 1206 hardirqs last enabled at (1205): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1205): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1206): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1200): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1183): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1183): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d3756f ]--- ------------[ cut here ]------------ __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 ------------[ cut here ]------------ 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:00007feefb9f5188 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: 00007ffcc606761f R14: 00007feefb9f5300 R15: 0000000000022000 irq event stamp: 1240 hardirqs last enabled at (1239): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1239): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1240): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1064): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1064): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1060): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1060): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 267a8217e7d37570 ]--- WARNING: CPU: 0 PID: 7591 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 WARNING: CPU: 1 PID: 7605 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: Modules linked in: CPU: 0 PID: 7591 Comm: syz-executor.3 Tainted: G W 4.19.190-syzkaller #0 CPU: 1 PID: 7605 Comm: syz-executor.0 Tainted: G W 4.19.190-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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 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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c6a7f9e0 EFLAGS: 00010282 RSP: 0018:ffff8881c790f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd1164f0 RCX: 0000000000000000 RAX: 0000000000000024 RBX: ffff8881ce422960 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c6a7f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c790f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd116538 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881ce4229a8 R13: ffff8881cd116080 R14: 0000000000000000 R15: ffff8881c9a3b080 R13: ffff8881cd116960 R14: 0000000000000000 R15: ffff8881c9870080 FS: 00007fcc0bd0a700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 FS: 00007f2dc19b1700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7f07d60718 CR3: 00000001f337f003 CR4: 00000000001606e0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a2ba39718 CR3: 00000001f41c7005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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 __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 entry_SYSCALL_64_after_hwframe+0x49/0xbe do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RIP: 0033:0x465809 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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 RIP: 0033:0x465809 RSP: 002b:00007fcc0bd0a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 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 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RSP: 002b:00007f2dc19b1188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RDX: 0000000000000008 RSI: 0000000020000500 RDI: 0000000000000009 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R13: 00007ffe6e90edaf R14: 00007fcc0bd0a300 R15: 0000000000022000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 irq event stamp: 422 R13: 00007fffc15e2cdf R14: 00007f2dc19b1300 R15: 0000000000022000 hardirqs last enabled at (421): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (421): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (422): [] trace_hardirqs_off_thunk+0x1a/0x1c irq event stamp: 1400 softirqs last enabled at (418): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (395): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (395): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 hardirqs last enabled at (1399): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1399): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1400): [] trace_hardirqs_off_thunk+0x1a/0x1c ---[ end trace 267a8217e7d37571 ]--- softirqs last enabled at (1396): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1273): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1273): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d37572 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7658 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7658 Comm: syz-executor.5 Tainted: G W 4.19.190-syzkaller #0 minix_free_inode: bit 5 already cleared 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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881d16679e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cd1446b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881d16679f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881cd1446f8 R13: ffff8881cd144240 R14: 0000000000000000 R15: ffff8881c97af080 FS: 00007f0a2ba5a700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feefb9d5000 CR3: 00000001f41c7001 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:00007f0a2ba5a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007ffe4632243f R14: 00007f0a2ba5a300 R15: 0000000000022000 irq event stamp: 448 hardirqs last enabled at (447): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (447): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (448): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (296): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (296): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (292): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (292): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 267a8217e7d37573 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7687 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7687 Comm: syz-executor.0 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c66ef9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c83ec6b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c66ef9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c83ec6f8 R13: ffff8881c83ec240 R14: 0000000000000000 R15: ffff8881c996f080 FS: 00007fcc0bce9700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcc0bcea000 CR3: 00000001e158e003 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:00007fcc0bce9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055c050 RCX: 0000000000465809 RDX: 000000000000000b RSI: 0000000020000500 RDI: 0000000000000005 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055c050 R13: 00007ffe6e90edaf R14: 00007fcc0bce9300 R15: 0000000000022000 irq event stamp: 376 hardirqs last enabled at (375): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (375): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (376): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (370): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (351): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (351): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d37574 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7693 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7693 Comm: syz-executor.2 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c6c8f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c83ed960 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c6c8f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c83ed9a8 R13: ffff8881c74284b0 R14: 0000000000000000 R15: ffff8881c98f1080 FS: 00007f18b7f81700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f96708b0000 CR3: 00000001f2ee9006 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:00007f18b7f81188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055c050 RCX: 0000000000465809 RDX: 000000000000000b RSI: 0000000020000500 RDI: 0000000000000005 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055c050 R13: 00007fff12e8292f R14: 00007f18b7f81300 R15: 0000000000022000 irq event stamp: 340 hardirqs last enabled at (339): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (339): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (340): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (198): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (198): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (194): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (194): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 267a8217e7d37575 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7713 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 MINIX-fs: mounting unchecked file system, running fsck is recommended Modules linked in: CPU: 1 PID: 7713 Comm: syz-executor.4 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c87f79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c7400a20 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c87f79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c7400a68 R13: ffff8881c74005b0 R14: 0000000000000000 R15: ffff8881c96c1080 FS: 00007f5aea6f9700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000051a070 CR3: 00000001f34b0003 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 WARNING: CPU: 0 PID: 7728 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7728 Comm: syz-executor.2 Tainted: G W 4.19.190-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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c6fa79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c7402aa0 RCX: 0000000000000000 __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 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8a3e5aa0 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RBP: ffff8881c6fa79f8 R08: ffffed103ecc3eef R09: ffffed103ecc3eee entry_SYSCALL_64_after_hwframe+0x49/0xbe R10: ffffed103ecc3eee R11: ffff8881f661f777 R12: ffff8881c7402ae8 RIP: 0033:0x465809 R13: ffff8881c7403670 R14: 0000000000000000 R15: ffff8881c9877080 FS: 00007f18b7fc3700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 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 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RSP: 002b:00007f5aea6f9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 CR2: 00007f2dc1991000 CR3: 00000001d0861006 CR4: 00000000001606f0 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 Call Trace: R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 R13: 00007fff52b863ef R14: 00007f5aea6f9300 R15: 0000000000022000 irq event stamp: 1456 hardirqs last enabled at (1455): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1456): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1430): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1315): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1315): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 vfs_rename+0xa13/0x1860 fs/namei.c:4479 ---[ end trace 267a8217e7d37576 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended 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:00007f18b7fc3188 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: 00007fff12e8292f R14: 00007f18b7fc3300 R15: 0000000000022000 irq event stamp: 1242 hardirqs last enabled at (1241): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1241): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1242): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1236): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1211): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1211): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 267a8217e7d37577 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7736 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7736 Comm: syz-executor.0 Tainted: G W 4.19.190-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ------------[ cut here ]------------ 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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c6ff79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c740b140 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c6ff79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c740b188 R13: ffff8881c7443630 R14: 0000000000000000 R15: ffff8881c99d5080 FS: 00007fcc0bd2b700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f96708c1000 CR3: 00000001e12d5002 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 WARNING: CPU: 1 PID: 7740 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7740 Comm: syz-executor.1 Tainted: G W 4.19.190-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 vfs_rename+0xa13/0x1860 fs/namei.c:4479 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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881c6fff9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c74431c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881c6fff9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c7443208 R13: ffff8881c7447240 R14: 0000000000000000 R15: ffff8881c9a84080 FS: 00007feefb9d4700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a2ba5b000 CR3: 00000001e12e2001 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_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 __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 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_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RSP: 002b:00007fcc0bd2b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 entry_SYSCALL_64_after_hwframe+0x49/0xbe RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RIP: 0033:0x465809 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 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 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffe6e90edaf R14: 00007fcc0bd2b300 R15: 0000000000022000 RSP: 002b:00007feefb9d4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 irq event stamp: 1230 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 hardirqs last enabled at (1229): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1229): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 RDX: 0000000000000008 RSI: 0000000020000500 RDI: 0000000000000008 hardirqs last disabled at (1230): [] trace_hardirqs_off_thunk+0x1a/0x1c RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 softirqs last enabled at (1046): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1046): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1042): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1042): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 ---[ end trace 267a8217e7d37578 ]--- R13: 00007ffcc606761f R14: 00007feefb9d4300 R15: 0000000000022000 irq event stamp: 402 hardirqs last enabled at (401): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (401): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (402): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (272): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (272): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (268): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (268): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 267a8217e7d37579 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7769 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7769 Comm: syz-executor.4 Tainted: G W 4.19.190-syzkaller #0 ------------[ cut here ]------------ 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 b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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:ffff8881d28bf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c7460aa0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881d28bf9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c7460ae8 R13: ffff8881c7464ae0 R14: 0000000000000000 R15: ffff8881c9909080 FS: 00007f5aea6f9700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2dc1991000 CR3: 00000001f3c83002 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 MINIX-fs: mounting unchecked file system, running fsck is recommended do_renameat2+0x60d/0xa00 fs/namei.c:4629 WARNING: CPU: 0 PID: 7780 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7780 Comm: syz-executor.0 Tainted: G W 4.19.190-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 __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:00007f5aea6f9188 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: 00007fff52b863ef R14: 00007f5aea6f9300 R15: 0000000000022000 irq event stamp: 3346 hardirqs last enabled at (3345): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (3345): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (3346): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3340): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (3305): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3305): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 4b b4 bd fa 4c 89 e7 e8 11 d3 ae fa eb ea 48 c7 c7 80 b3 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 ---[ end trace 267a8217e7d3757a ]--- RSP: 0018:ffff8881d00479e0 EFLAGS: 00010282 WARNING: CPU: 1 PID: 7770 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RAX: 0000000000000024 RBX: ffff8881c7487570 RCX: 0000000000000000 Modules linked in: RDX: 0000000000000000 RSI: ffffffff878b7480 RDI: ffffffff8a3e5aa0 RBP: ffff8881d00479f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080