bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217 building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463 testing commit a1b977b49b66c75e6c51a515f6700371ae720217 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: f1af38d792745ff870cd3307187b12bd08feb1b7b2ce33e1cb4576dcb0e42944 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 corrupted 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 corrupted run #8: crashed: WARNING in drop_nlink run #9: crashed: WARNING in drop_nlink run #10: crashed: WARNING in drop_nlink run #11: crashed: WARNING in drop_nlink run #12: crashed: WARNING in corrupted 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 b172b44fcb1771e083aad806fa96f3f60e2ddfac testing commit b172b44fcb1771e083aad806fa96f3f60e2ddfac compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 4c5aa60bebb6db1ef9d58597164d1a19af71165e72699375161b72ea67ff49d0 run #0: crashed: WARNING in corrupted 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 drop_nlink revisions tested: 2, total time: 30m47.78334139s (build: 23m25.357868852s, test: 6m38.02302286s) the crash still happens on HEAD commit msg: Linux 4.19.206 crash: WARNING in drop_nlink wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ Bluetooth: hci1: command 0x0419 tx timeout Bluetooth: hci2: command 0x0419 tx timeout Bluetooth: hci5: command 0x0419 tx timeout WARNING: CPU: 0 PID: 7305 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready CPU: 0 PID: 7305 Comm: syz-executor.0 Not tainted 4.19.206-syzkaller #0 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881e9d879e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9e35570 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881e9d879f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c9e355b8 R13: ffff8881c9e35100 R14: 0000000000000000 R15: ffff8881c9911080 FS: 00007f075eb6d700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe75f22a10 CR3: 00000001d91cd002 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 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:00007f075eb6d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffe2c00d29f R14: 00007f075eb6d300 R15: 0000000000022000 irq event stamp: 2590 hardirqs last enabled at (2589): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2589): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (2590): [] trace_hardirqs_off_thunk+0x1a/0x1c IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready softirqs last enabled at (2584): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (2465): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2465): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701965 ]--- 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_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 MINIX-fs: mounting unchecked file system, running fsck is recommended wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7396 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: 7396 Comm: syz-executor.0 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready RSP: 0018:ffff8881d467f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9e691c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881d467f9f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c9e69208 R13: ffff8881c9ed6ae0 R14: 0000000000000000 R15: ffff8881c9987080 FS: 00007f075eb6d700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000960004 CR3: 00000001d4a7c005 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 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 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 MINIX-fs: mounting unchecked file system, running fsck is recommended __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:00007f075eb6d188 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: 00007ffe2c00d29f R14: 00007f075eb6d300 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 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 (1303): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1303): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701966 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7411 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: 7411 Comm: syz-executor.3 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881dc4df9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9ee84f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881dc4df9f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c9ee8538 R13: ffff8881c9ee8080 R14: 0000000000000000 R15: ffff8881c99e9080 FS: 00007f36613bf700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f91ff548000 CR3: 00000001cf530003 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 MINIX-fs: mounting unchecked file system, running fsck is recommended 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:00007f36613bf188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a ------------[ cut here ]------------ RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fffe44c994f R14: 00007f36613bf300 R15: 0000000000022000 irq event stamp: 4810 hardirqs last enabled at (4809): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (4809): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (4810): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4638): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (4638): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (4634): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (4634): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 WARNING: CPU: 1 PID: 7431 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 ---[ end trace 125602c400701967 ]--- Modules linked in: IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready CPU: 1 PID: 7431 Comm: syz-executor.2 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881cdbb79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9f5a100 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881cdbb79f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c9f5a148 R13: ffff8881c9f5ba20 R14: 0000000000000000 R15: ffff8881c9894080 FS: 00007f2ded183700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ded184000 CR3: 00000001d4355005 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 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready 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 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 RSP: 002b:00007f2ded183188 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: 00007ffcb7a80d3f R14: 00007f2ded183300 R15: 0000000000022000 irq event stamp: 360 hardirqs last enabled at (359): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (359): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (360): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (230): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (230): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (226): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (226): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 125602c400701968 ]--- wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7430 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: 1 PID: 7430 Comm: syz-executor.4 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881cd4179e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9f5d6f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881cd4179f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c9f5d738 R13: ffff8881c9f0f6b0 R14: 0000000000000000 R15: ffff8881c980a080 FS: 00007f91ff547700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbc9e568740 CR3: 00000001cf113001 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:00007f91ff547188 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: 00007ffc197386af R14: 00007f91ff547300 R15: 0000000000022000 irq event stamp: 2058 hardirqs last enabled at (2057): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2057): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (2058): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2024): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1815): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1815): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701969 ]--- IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 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 WARNING: CPU: 0 PID: 7483 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7483 Comm: syz-executor.5 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881f259f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9fca4f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881f259f9f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c9fca538 WARNING: CPU: 1 PID: 7492 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 R13: ffff8881c9fca080 R14: 0000000000000000 R15: ffff8881c99f8080 Modules linked in: FS: 00007f1371010700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CPU: 1 PID: 7492 Comm: syz-executor.2 Tainted: G W 4.19.206-syzkaller #0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 CR2: 00007fbc9edee130 CR3: 00000001d3d71001 CR4: 00000000001606f0 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RSP: 0018:ffff8881f0faf9e0 EFLAGS: 00010282 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 RAX: 0000000000000024 RBX: ffff8881c9f84100 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881f0faf9f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c9f84148 R13: ffff8881c9f85a20 R14: 0000000000000000 R15: ffff8881c98c9080 FS: 00007f2ded1a4700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 vfs_rename+0xa13/0x1860 fs/namei.c:4479 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000001840808 CR3: 00000001d6781005 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_renameat2+0x60d/0xa00 fs/namei.c:4629 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:00007f1371010188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 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 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd4944525f R14: 00007f1371010300 R15: 0000000000022000 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 irq event stamp: 1298 entry_SYSCALL_64_after_hwframe+0x49/0xbe hardirqs last enabled at (1297): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 RIP: 0033:0x465809 hardirqs last disabled at (1298): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1108): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1108): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 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 softirqs last disabled at (1104): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1104): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 RSP: 002b:00007f2ded1a4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 ---[ end trace 125602c40070196a ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended 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: 00007ffcb7a80d3f R14: 00007f2ded1a4300 R15: 0000000000022000 irq event stamp: 1388 hardirqs last enabled at (1387): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1387): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1388): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1384): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 ------------[ cut here ]------------ softirqs last disabled at (1159): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1159): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c40070196b ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended WARNING: CPU: 0 PID: 7508 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 ------------[ cut here ]------------ Modules linked in: CPU: 0 PID: 7508 Comm: syz-executor.4 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881cf54f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9fd01c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881cf54f9f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c9fd0208 R13: ffff8881c9fd1ae0 R14: 0000000000000000 R15: ffff8881c987b080 FS: 00007f91ff568700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5bf95f5000 CR3: 00000001ee9c5003 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 WARNING: CPU: 1 PID: 7491 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Modules linked in: Call Trace: CPU: 1 PID: 7491 Comm: syz-executor.1 Tainted: G W 4.19.206-syzkaller #0 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881f0f1f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9fd2b60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 vfs_rename+0xa13/0x1860 fs/namei.c:4479 RBP: ffff8881f0f1f9f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c9fd2ba8 R13: ffff8881c9f8f6b0 R14: 0000000000000000 R15: ffff8881ce704080 FS: 00007f5bf95f4700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d6b99e4c08 CR3: 00000001f0e4b003 CR4: 00000000001606e0 do_renameat2+0x60d/0xa00 fs/namei.c:4629 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_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_renameat2+0x60d/0xa00 fs/namei.c:4629 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:00007f91ff568188 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: 00007ffc197386af R14: 00007f91ff568300 R15: 0000000000022000 irq event stamp: 1192 hardirqs last enabled at (1191): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1191): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1192): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1178): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1159): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1159): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 __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 ---[ end trace 125602c40070196c ]--- do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 MINIX-fs: mounting unchecked file system, running fsck is recommended 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:00007f5bf95f4188 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: 00007ffdf6608f9f R14: 00007f5bf95f4300 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 (916): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (916): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (912): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (912): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 125602c40070196d ]--- 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 MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ ------------[ cut here ]------------ ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7572 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 WARNING: CPU: 1 PID: 7551 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: Modules linked in: CPU: 0 PID: 7572 Comm: syz-executor.4 Tainted: G W 4.19.206-syzkaller #0 CPU: 1 PID: 7551 Comm: syz-executor.5 Tainted: G W 4.19.206-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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RSP: 0018:ffff8881c6c1f9e0 EFLAGS: 00010282 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RAX: 0000000000000024 RBX: ffff8881c9fed0c0 RCX: 0000000000000000 RSP: 0018:ffff8881cd94f9e0 EFLAGS: 00010282 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8a3e4aa0 RBP: ffff8881c6c1f9f8 R08: ffffed103ecc3ef7 R09: ffffed103ecc3ef6 RAX: 0000000000000024 RBX: ffff8881c701e4f0 RCX: 0000000000000000 R10: ffffed103ecc3ef6 R11: ffff8881f661f7b7 R12: ffff8881c9fed108 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881cd94f9f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R13: ffff8881c9fee9e0 R14: 0000000000000000 R15: ffff8881c7adb080 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c701e538 FS: 00007f91ff526700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 R13: ffff8881c701fa20 R14: 0000000000000000 R15: ffff8881c99d9080 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 FS: 00007f1371010700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CR2: 00007f2ded184000 CR3: 00000001ee637001 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 CR2: 000000000055c000 CR3: 00000001d26ae006 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 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 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:00007f91ff526188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RIP: 0033:0x465809 RAX: ffffffffffffffda RBX: 000000000055c050 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: 0000000000000008 RSI: 0000000020000500 RDI: 0000000000000005 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RSP: 002b:00007f1371010188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055c050 R13: 00007ffc197386af R14: 00007f91ff526300 R15: 0000000000022000 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 irq event stamp: 1090 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a hardirqs last enabled at (1089): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1089): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 hardirqs last disabled at (1090): [] trace_hardirqs_off_thunk+0x1a/0x1c R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 softirqs last enabled at (0): [] copy_process.part.2+0x176b/0x7960 kernel/fork.c:1855 R13: 00007ffd4944525f R14: 00007f1371010300 R15: 0000000000022000 softirqs last disabled at (0): [<0000000000000000>] (null) irq event stamp: 1174 ---[ end trace 125602c40070196e ]--- hardirqs last enabled at (1173): [] console_unlock+0xb9e/0xe20 kernel/printk/printk.c:2464 WARNING: CPU: 0 PID: 7552 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 hardirqs last disabled at (1174): [] trace_hardirqs_off_thunk+0x1a/0x1c Modules linked in: softirqs last enabled at (1052): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 CPU: 0 PID: 7552 Comm: syz-executor.3 Tainted: G W 4.19.206-syzkaller #0 softirqs last disabled at (1025): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1025): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ---[ end trace 125602c40070196f ]--- 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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881cd9579e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c701c280 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881cd9579f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c701c2c8 MINIX-fs: mounting unchecked file system, running fsck is recommended R13: ffff8881c701e080 R14: 0000000000000000 R15: ffff8881c99cd080 FS: 00007f36613bf700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d6b99ddbd8 CR3: 00000001d4b05003 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:00007f36613bf188 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: 00007fffe44c994f R14: 00007f36613bf300 R15: 0000000000022000 irq event stamp: 1308 hardirqs last enabled at (1307): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1308): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1284): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1187): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1187): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701970 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7595 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7595 Comm: syz-executor.5 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881dcf579e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ccd83a20 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881dcf579f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881ccd83a68 R13: ffff8881ccd835b0 R14: 0000000000000000 R15: ffff8881c9911080 FS: 00007f1370fef700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000558000 CR3: 00000001ea7f5006 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:00007f1370fef188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RDX: 000000000000000a RSI: 0000000020000500 RDI: 000000000000000b RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007ffd4944525f R14: 00007f1370fef300 R15: 0000000000022000 irq event stamp: 590 hardirqs last enabled at (589): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (589): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (590): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (584): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (485): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (485): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701971 ]--- 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 WARNING: CPU: 0 PID: 7607 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7607 Comm: syz-executor.1 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881c76979e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cfb0cb60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881c76979f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881cfb0cba8 R13: ffff8881cfb0c6f0 R14: 0000000000000000 R15: ffff8881c7ac4080 FS: 00007f5bf95f4700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5bf95f5000 CR3: 00000001d5113001 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:00007f5bf95f4188 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: 00007ffdf6608f9f R14: 00007f5bf95f4300 R15: 0000000000022000 irq event stamp: 1290 hardirqs last enabled at (1289): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1289): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1290): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1284): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1257): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1257): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701972 ]--- minix_free_inode: bit 5 already cleared ------------[ cut here ]------------ ------------[ cut here ]------------ minix_free_inode: bit 5 already cleared WARNING: CPU: 0 PID: 7628 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 WARNING: CPU: 1 PID: 7618 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: Modules linked in: CPU: 0 PID: 7628 Comm: syz-executor.4 Tainted: G W 4.19.206-syzkaller #0 CPU: 1 PID: 7618 Comm: syz-executor.3 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881c76df9e0 EFLAGS: 00010282 RSP: 0018:ffff8881c646f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881d8305a60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RAX: 0000000000000024 RBX: ffff8881cfb0c280 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881c76df9f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881d8305aa8 RBP: ffff8881c646f9f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881cfb0c2c8 R13: ffff8881d83055f0 R14: 0000000000000000 R15: ffff8881c9829080 FS: 00007f36613bf700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 R13: ffff8881ccd80630 R14: 0000000000000000 R15: ffff8881c99c9080 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 FS: 00007f91ff505700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CR2: 00007ffe75e2fff0 CR3: 00000001d7bf2004 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ded1a5000 CR3: 00000001e715f006 CR4: 00000000001606f0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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_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_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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:00007f91ff505188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RIP: 0033:0x465809 RAX: ffffffffffffffda RBX: 000000000055c0f8 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: 0000000000000007 RSI: 0000000020000500 RDI: 0000000000000005 RSP: 002b:00007f36613bf188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055c0f8 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a R13: 00007ffc197386af R14: 00007f91ff505300 R15: 0000000000022000 irq event stamp: 148 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 hardirqs last enabled at (147): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (148): [] trace_hardirqs_off_thunk+0x1a/0x1c R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 softirqs last enabled at (122): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (101): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (101): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 R13: 00007fffe44c994f R14: 00007f36613bf300 R15: 0000000000022000 ---[ end trace 125602c400701973 ]--- irq event stamp: 1046 hardirqs last enabled at (1045): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1045): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1046): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (892): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (892): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (888): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (888): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 125602c400701974 ]--- 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 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: 7655 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 ------------[ cut here ]------------ Modules linked in: CPU: 0 PID: 7655 Comm: syz-executor.2 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881c771f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cce18670 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881c771f9f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881cce186b8 R13: ffff8881c7084280 R14: 0000000000000000 R15: ffff8881ce624080 FS: 00007f2ded1a4700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000055c000 CR3: 00000001e11eb005 CR4: 00000000001606f0 WARNING: CPU: 1 PID: 7677 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Modules linked in: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 CPU: 1 PID: 7677 Comm: syz-executor.5 Tainted: G W 4.19.206-syzkaller #0 Call Trace: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881d1e2f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c70419a0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881d1e2f9f8 R08: ffffed103ece5091 R09: ffffed103ece5090 vfs_rename+0xa13/0x1860 fs/namei.c:4479 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c70419e8 R13: ffff8881c7041530 R14: 0000000000000000 R15: ffff8881c7b1e080 FS: 00007f1370fce700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1370ff0000 CR3: 00000001e8303003 CR4: 00000000001606e0 do_renameat2+0x60d/0xa00 fs/namei.c:4629 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_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_renameat2+0x60d/0xa00 fs/namei.c:4629 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:00007f2ded1a4188 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: 00007ffcb7a80d3f R14: 00007f2ded1a4300 R15: 0000000000022000 irq event stamp: 1144 hardirqs last enabled at (1143): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1143): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 __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 disabled at (1144): [] trace_hardirqs_off_thunk+0x1a/0x1c do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 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 entry_SYSCALL_64_after_hwframe+0x49/0xbe ---[ end trace 125602c400701975 ]--- 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:00007f1370fce188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055c050 RCX: 0000000000465809 ------------[ cut here ]------------ RDX: 0000000000000008 RSI: 0000000020000500 RDI: 0000000000000005 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055c050 R13: 00007ffd4944525f R14: 00007f1370fce300 R15: 0000000000022000 irq event stamp: 130 hardirqs last enabled at (129): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (129): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (130): [] trace_hardirqs_off_thunk+0x1a/0x1c ------------[ cut here ]------------ softirqs last enabled at (0): [] copy_process.part.2+0x176b/0x7960 kernel/fork.c:1855 softirqs last disabled at (0): [<0000000000000000>] (null) ---[ end trace 125602c400701976 ]--- WARNING: CPU: 0 PID: 7656 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 ------------[ cut here ]------------ Modules linked in: CPU: 0 PID: 7656 Comm: syz-executor.1 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881c76979e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cce88aa0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881c76979f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881cce88ae8 R13: ffff8881ccf58ae0 R14: 0000000000000000 R15: ffff8881c97e0080 FS: 00007f5bf95f4700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1f7e8ff000 CR3: 00000001f3247002 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 ------------[ cut here ]------------ vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 WARNING: CPU: 1 PID: 7673 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7673 Comm: syz-executor.4 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881c66779e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c70246f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881c66779f8 R08: ffffed103ece5091 R09: ffffed103ece5090 __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 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c7024738 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 R13: ffff8881c7088040 R14: 0000000000000000 R15: ffff8881c7b1b080 FS: 00007f91ff547700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RIP: 0033:0x465809 CR2: 00007f075eb6e000 CR3: 00000001edcc7006 CR4: 00000000001606e0 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:00007f5bf95f4188 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: 00007ffdf6608f9f R14: 00007f5bf95f4300 R15: 0000000000022000 irq event stamp: 980 hardirqs last enabled at (979): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (979): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (980): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (942): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 vfs_rename+0xa13/0x1860 fs/namei.c:4479 softirqs last disabled at (887): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (887): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701977 ]--- WARNING: CPU: 0 PID: 7670 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7670 Comm: syz-executor.3 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881c66479e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c70846f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881c66479f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c7084738 R13: ffff8881cce881c0 R14: 0000000000000000 R15: ffff8881c7b1c080 FS: 00007f36613bf700(0000) GS:ffff8881f6600000(0000) knlGS: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 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 CR2: 00007f2ded163000 CR3: 00000001d7cb9002 CR4: 00000000001606f0 entry_SYSCALL_64_after_hwframe+0x49/0xbe DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RIP: 0033:0x465809 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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 Call Trace: RSP: 002b:00007f91ff547188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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: 00007ffc197386af R14: 00007f91ff547300 R15: 0000000000022000 irq event stamp: 2342 vfs_rename+0xa13/0x1860 fs/namei.c:4479 hardirqs last enabled at (2341): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2341): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (2342): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2336): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (2323): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2323): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701978 ]--- 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:00007f36613bf188 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: 00007fffe44c994f R14: 00007f36613bf300 R15: 0000000000022000 irq event stamp: 3290 hardirqs last enabled at (3289): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (3289): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (3290): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3286): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (3275): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3275): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c400701979 ]--- WARNING: CPU: 0 PID: 7654 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7654 Comm: syz-executor.0 Tainted: G W 4.19.206-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 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 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:ffff8881cf3479e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c70884b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881cf3479f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c70884f8 R13: ffff8881c7025960 R14: 0000000000000000 R15: ffff8881c9829080 FS: 00007f075eb6d700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f366139dfe8 CR3: 00000001f35e4001 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:00007f075eb6d188 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: 00007ffe2c00d29f R14: 00007f075eb6d300 R15: 0000000000022000 irq event stamp: 1154 hardirqs last enabled at (1153): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1154): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (970): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (970): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (966): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (966): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace 125602c40070197a ]--- 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: 7704 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 WARNING: CPU: 0 PID: 7705 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: Modules linked in: CPU: 1 PID: 7704 Comm: syz-executor.1 Tainted: G W 4.19.206-syzkaller #0 CPU: 0 PID: 7705 Comm: syz-executor.5 Tainted: G W 4.19.206-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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RSP: 0018:ffff8881c6a4f9e0 EFLAGS: 00010282 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 30 27 bd fa 4c 89 e7 e8 d6 47 ae fa eb ea 48 c7 c7 40 b7 53 87 e8 e5 02 ff ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02 RAX: 0000000000000024 RBX: ffff8881c70569a0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RSP: 0018:ffff8881c6a579e0 EFLAGS: 00010282 RBP: ffff8881c6a4f9f8 R08: ffffed103ece5091 R09: ffffed103ece5090 R10: ffffed103ece5090 R11: ffff8881f6728487 R12: ffff8881c70569e8 RAX: 0000000000000024 RBX: ffff8881c70954b0 RCX: 0000000000000000 R13: ffff8881c7056530 R14: 0000000000000000 R15: ffff8881c9827080 RDX: 0000000000000000 RSI: ffffffff878b7b20 RDI: ffffffff8a3e4aa0 RBP: ffff8881c6a579f8 R08: ffffed103ecc5091 R09: ffffed103ecc5090 R10: ffffed103ecc5090 R11: ffff8881f6628487 R12: ffff8881c70954f8 FS: 00007f5bf95f4700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 R13: ffff8881c7095040 R14: 0000000000000000 R15: ffff8881c9946080 FS: 00007f1371010700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe75e2ae80 CR3: 00000001d76b0004 CR4: 00000000001606e0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CR2: 000055d6b99c7798 CR3: 00000001d1d28004 CR4: 00000000001606f0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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_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_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x465809 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 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:00007f5bf95f4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RSP: 002b:00007f1371010188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffdf6608f9f R14: 00007f5bf95f4300 R15: 0000000000022000 R13: 00007ffd4944525f R14: 00007f1371010300 R15: 0000000000022000 irq event stamp: 1258 irq event stamp: 1552 hardirqs last enabled at (1257): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1257): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last enabled at (1551): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1551): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1258): [] trace_hardirqs_off_thunk+0x1a/0x1c hardirqs last disabled at (1552): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1548): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last enabled at (1094): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1094): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1090): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1090): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 softirqs last disabled at (1521): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1521): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 125602c40070197b ]--- ---[ end trace 125602c40070197c ]--- ------------[ cut here ]------------ ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7729 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 WARNING: CPU: 0 PID: 7731 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: Modules linked in: CPU: 1 PID: 7729 Comm: syz-executor.3 Tainted: G W 4.19.206-syzkaller #0 CPU: 0 PID: 7731 Comm: syz-executor.4 Tainted: G W 4.19.206-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 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) 9: 00 00 00 c: 0f 1f 40 00 nopl 0x0(%rax) 10: 48 89 f8 mov %rdi,%rax 13: 48 89 f7 mov %rsi,%rdi 16: 48 89 d6 mov %rdx,%rsi 19: 48 89 ca mov %rcx,%rdx 1c: 4d 89 c2 mov %r8,%r10 1f: 4d 89 c8 mov %r9,%r8 22: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 27: 0f 05 syscall * 29: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 2f: 73 01 jae 0x32 31: c3 retq 32: 48 c7 c1 bc ff ff ff mov $0xffffffffffffffbc,%rcx 39: f7 d8 neg %eax 3b: 64 89 01 mov %eax,%fs:(%rcx) 3e: 48 rex.W