bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217 building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463 testing commit a1b977b49b66c75e6c51a515f6700371ae720217 with gcc (GCC) 8.4.1 20210217 kernel signature: 64dfaa06d2b7ab5eddce89e2eb058c365bf2e1e6cd764811d254854825acec65 all runs: crashed: WARNING in drop_nlink testing current HEAD 9f84340f012ee60c12aacc03662bcdd67419a31a testing commit 9f84340f012ee60c12aacc03662bcdd67419a31a with gcc (GCC) 8.4.1 20210217 kernel signature: 1eab00359615dd722fc132592e3784ec6c378951f4857d78119ad2e2a0b0b995 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 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: 23m51.477541764s (build: 16m57.502384432s, test: 6m22.943640344s) the crash still happens on HEAD commit msg: Linux 4.19.196 crash: WARNING in drop_nlink batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ------------[ cut here ]------------ batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 WARNING: CPU: 0 PID: 7290 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! Modules linked in: CPU: 0 PID: 7290 Comm: syz-executor.2 Not tainted 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d91f79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c99cf0c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d91f79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c99cf108 R13: ffff8881c99d19e0 R14: 0000000000000000 R15: ffff8881d0244080 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 FS: 00007fdaa2784700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffefc1f000 CR3: 00000001d6a86004 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 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready __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:00007fdaa2784188 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: 00007ffe88d2f4cf R14: 00007fdaa2784300 R15: 0000000000022000 irq event stamp: 1282 hardirqs last enabled at (1281): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1281): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1282): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1276): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1259): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1259): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f87 ]--- Bluetooth: hci1: command 0x0419 tx timeout batman_adv: batadv0: Interface activated: batadv_slave_0 Bluetooth: hci0: command 0x0419 tx timeout Bluetooth: hci2: command 0x0419 tx timeout Bluetooth: hci5: command 0x0419 tx timeout IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready Bluetooth: hci4: command 0x0419 tx timeout IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 Bluetooth: hci3: command 0x0419 tx timeout IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 MINIX-fs: mounting unchecked file system, running fsck is recommended wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ------------[ cut here ]------------ batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 WARNING: CPU: 0 PID: 7323 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! Modules linked in: batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 CPU: 0 PID: 7323 Comm: syz-executor.2 Tainted: G W 4.19.196-syzkaller #0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d9a0f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9a551c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d9a0f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9a55208 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 R13: ffff8881c99e1ae0 R14: 0000000000000000 R15: ffff8881c953e080 FS: 00007fdaa2784700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564be9d99be0 CR3: 00000001edaad004 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 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! do_renameat2+0x60d/0xa00 fs/namei.c:4629 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 __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 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! 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:00007fdaa2784188 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: 00007ffe88d2f4cf R14: 00007fdaa2784300 R15: 0000000000022000 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 (1202): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1095): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1095): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f88 ]--- IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7349 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7349 Comm: syz-executor.2 Tainted: G W 4.19.196-syzkaller #0 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 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 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d52979e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c99ee040 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d52979f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c99ee088 R13: ffff8881c9a76960 R14: 0000000000000000 R15: ffff8881cdcb6080 FS: 00007fdaa2784700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff06c4dbdc CR3: 00000001d814b002 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 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 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:00007fdaa2784188 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: 00007ffe88d2f4cf R14: 00007fdaa2784300 R15: 0000000000022000 irq event stamp: 1298 hardirqs last enabled at (1297): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1297): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1298): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1292): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1189): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1189): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f89 ]--- 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: 7367 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7367 Comm: syz-executor.3 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d79c79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9a839e0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d79c79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9a83a28 R13: ffff8881c9a83100 R14: 0000000000000000 R15: ffff8881c955b080 FS: 00007fc57671c700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f021a6dd5c0 CR3: 00000001f4aa6006 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 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 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 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 RSP: 002b:00007fc57671c188 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: 00007fffe7de59af R14: 00007fc57671c300 R15: 0000000000022000 irq event stamp: 1452 hardirqs last enabled at (1451): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1451): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1452): [] trace_hardirqs_off_thunk+0x1a/0x1c IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready softirqs last enabled at (1446): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready softirqs last disabled at (1349): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1349): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f8a ]--- minix_free_inode: bit 5 already cleared 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 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready 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 ------------[ cut here ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended WARNING: CPU: 1 PID: 7451 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7451 Comm: syz-executor.5 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d5c3f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9b240c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d5c3f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9b24108 R13: ffff8881c9b25a20 R14: 0000000000000000 R15: ffff8881ce466080 FS: 00007f0db5658700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000960004 CR3: 00000001f3aa7002 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 WARNING: CPU: 0 PID: 7441 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7441 Comm: syz-executor.0 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d661f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9b5caa0 RCX: 0000000000000000 do_renameat2+0x60d/0xa00 fs/namei.c:4629 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d661f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9b5cae8 R13: ffff8881c9b5c630 R14: 0000000000000000 R15: ffff8881c7e05080 FS: 00007f74320c4700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f95af3e238 CR3: 00000001d5270005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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:00007f0db5658188 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 do_renameat2+0x60d/0xa00 fs/namei.c:4629 R13: 00007ffea9e4da3f R14: 00007f0db5658300 R15: 0000000000022000 irq event stamp: 1250 hardirqs last enabled at (1249): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1249): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1250): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1246): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1231): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1231): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f8b ]--- ------------[ 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:00007f74320c4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 WARNING: CPU: 1 PID: 7462 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 Modules linked in: RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a CPU: 1 PID: 7462 Comm: syz-executor.2 Tainted: G W 4.19.196-syzkaller #0 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 R13: 00007fffc6fb4c8f R14: 00007f74320c4300 R15: 0000000000022000 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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 irq event stamp: 1364 RSP: 0018:ffff8881d36479e0 EFLAGS: 00010282 hardirqs last enabled at (1363): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1363): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 RAX: 0000000000000024 RBX: ffff8881c9b29200 RCX: 0000000000000000 hardirqs last disabled at (1364): [] trace_hardirqs_off_thunk+0x1a/0x1c RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 softirqs last enabled at (1358): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1345): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1345): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 RBP: ffff8881d36479f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9b29248 ---[ end trace ac1666962a211f8c ]--- R13: ffff8881c9b2bb20 R14: 0000000000000000 R15: ffff8881c94ab080 FS: 00007fdaa2742700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffed779ac0 CR3: 00000001d724a004 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 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready 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 __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:00007fdaa2742188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055c050 RCX: 0000000000465809 RDX: 000000000000000a RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055c050 R13: 00007ffe88d2f4cf R14: 00007fdaa2742300 R15: 0000000000022000 irq event stamp: 328 hardirqs last enabled at (327): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (327): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (328): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (196): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (196): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (192): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (192): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace ac1666962a211f8d ]--- wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready MINIX-fs: mounting unchecked file system, running fsck is recommended IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 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: 7530 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7530 Comm: syz-executor.2 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d8c2f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9bde140 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d8c2f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9bde188 R13: ffff8881c9be0630 R14: 0000000000000000 R15: ffff8881c7e83080 FS: 00007fdaa2763700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000558000 CR3: 00000001d724a005 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: WARNING: CPU: 0 PID: 7531 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 Modules linked in: CPU: 0 PID: 7531 Comm: syz-executor.0 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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 vfs_rename+0xa13/0x1860 fs/namei.c:4479 RSP: 0018:ffff8881d5ef79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c9bec530 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d5ef79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 do_renameat2+0x60d/0xa00 fs/namei.c:4629 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9bec578 R13: ffff8881c9bec0c0 R14: 0000000000000000 R15: ffff8881c7ecc080 FS: 00007f74320a3700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f74320a4000 CR3: 00000001f3f7d001 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 __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 vfs_rename+0xa13/0x1860 fs/namei.c:4479 RSP: 002b:00007fdaa2763188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 do_renameat2+0x60d/0xa00 fs/namei.c:4629 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007ffe88d2f4cf R14: 00007fdaa2763300 R15: 0000000000022000 irq event stamp: 516 hardirqs last enabled at (515): [] console_unlock+0xa4a/0xe20 kernel/printk/printk.c:2489 hardirqs last disabled at (516): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (346): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (346): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (342): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (342): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace ac1666962a211f8e ]--- ------------[ 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 WARNING: CPU: 1 PID: 7533 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 Modules linked in: entry_SYSCALL_64_after_hwframe+0x49/0xbe CPU: 1 PID: 7533 Comm: syz-executor.5 Tainted: G W 4.19.196-syzkaller #0 RIP: 0033:0x465809 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RSP: 002b:00007f74320a3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RSP: 0018:ffff8881cf15f9e0 EFLAGS: 00010282 RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c RAX: 0000000000000024 RBX: ffff8881c9be2b20 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RBP: ffff8881cf15f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c9be2b68 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007fffc6fb4c8f R14: 00007f74320a3300 R15: 0000000000022000 R13: ffff8881c9be26b0 R14: 0000000000000000 R15: ffff8881c7e95080 irq event stamp: 1642 FS: 00007f0db5637700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 hardirqs last enabled at (1641): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1641): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1642): [] trace_hardirqs_off_thunk+0x1a/0x1c CR2: 00007efead275008 CR3: 00000001edf09005 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 softirqs last enabled at (1638): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: softirqs last disabled at (1619): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1619): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f8f ]--- 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: 0 PID: 7534 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7534 Comm: syz-executor.4 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 RSP: 0018:ffff8881d272f9e0 EFLAGS: 00010282 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RAX: 0000000000000024 RBX: ffff8881c9bf14b0 RCX: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RIP: 0033:0x465809 RBP: ffff8881d272f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 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: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c9bf14f8 RSP: 002b:00007f0db5637188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 R13: ffff8881c9bf1040 R14: 0000000000000000 R15: ffff8881c7ed1080 FS: 00007f7a68faa700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c CR2: 00007f7a68fab000 CR3: 00000001d4a2f005 CR4: 00000000001606f0 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: R13: 00007ffea9e4da3f R14: 00007f0db5637300 R15: 0000000000022000 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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 (286): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (286): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (282): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (282): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 vfs_rename+0xa13/0x1860 fs/namei.c:4479 ---[ end trace ac1666962a211f90 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended do_renameat2+0x60d/0xa00 fs/namei.c:4629 ------------[ 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:00007f7a68faa188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 WARNING: CPU: 1 PID: 7542 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 Modules linked in: RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c CPU: 1 PID: 7542 Comm: syz-executor.3 Tainted: G W 4.19.196-syzkaller #0 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 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 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881cd7d79e0 EFLAGS: 00010282 R13: 00007ffcf1c65c4f R14: 00007f7a68faa300 R15: 0000000000022000 RAX: 0000000000000024 RBX: ffff8881c782da20 RCX: 0000000000000000 irq event stamp: 446 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881cd7d79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 hardirqs last enabled at (445): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (445): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c782da68 hardirqs last disabled at (446): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (440): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 R13: ffff8881c782d5b0 R14: 0000000000000000 R15: ffff8881c946b080 FS: 00007fc57671c700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 softirqs last disabled at (433): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (433): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f91 ]--- CR2: 00007efead27f000 CR3: 00000001edf09001 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:00007fc57671c188 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: 00007fffe7de59af R14: 00007fc57671c300 R15: 0000000000022000 irq event stamp: 1072 hardirqs last enabled at (1071): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1071): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1072): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (922): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (922): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (918): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (918): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace ac1666962a211f92 ]--- 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: 7560 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7560 Comm: syz-executor.5 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d93df9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c78125b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8a3e3aa0 RBP: ffff8881d93df9f8 R08: ffffed103ecc3eef R09: ffffed103ecc3eee R10: ffffed103ecc3eee R11: ffff8881f661f777 R12: ffff8881c78125f8 R13: ffff8881c7836530 R14: 0000000000000000 R15: ffff8881c93d3080 FS: 00007f0db5658700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 ------------[ cut here ]------------ CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0db5659000 CR3: 00000001d5ca9001 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 MINIX-fs: mounting unchecked file system, running fsck is recommended vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 WARNING: CPU: 1 PID: 7575 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7575 Comm: syz-executor.1 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881cd7d79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c783db60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 __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: ffff8881cd7d79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c783dba8 entry_SYSCALL_64_after_hwframe+0x49/0xbe R13: ffff8881c783d280 R14: 0000000000000000 R15: ffff8881c7eb1080 RIP: 0033:0x465809 FS: 00007f6b75b25700(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:00007f0db5658188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 CR2: 00007f74320c5000 CR3: 00000001ee5d3003 CR4: 00000000001606e0 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffea9e4da3f R14: 00007f0db5658300 R15: 0000000000022000 irq event stamp: 1134 hardirqs last enabled at (1133): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1134): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1108): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1089): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1089): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f93 ]--- vfs_rename+0xa13/0x1860 fs/namei.c:4479 WARNING: CPU: 0 PID: 7568 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7568 Comm: syz-executor.4 Tainted: G W 4.19.196-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 do_renameat2+0x60d/0xa00 fs/namei.c:4629 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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d6cc79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c783c240 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d6cc79f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c783c288 R13: ffff8881c783f920 R14: 0000000000000000 R15: ffff8881c7eb2080 FS: 00007f7a68fcb700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 __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 CR2: 00007fdaa2764000 CR3: 00000001d3698004 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 entry_SYSCALL_64_after_hwframe+0x49/0xbe Call Trace: RIP: 0033:0x465809 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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:00007f6b75b25188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 vfs_rename+0xa13/0x1860 fs/namei.c:4479 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd98373fbf R14: 00007f6b75b25300 R15: 0000000000022000 irq event stamp: 1178 hardirqs last enabled at (1177): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1177): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 do_renameat2+0x60d/0xa00 fs/namei.c:4629 hardirqs last disabled at (1178): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1172): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1157): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1157): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f94 ]--- __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:00007f7a68fcb188 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: 00007ffcf1c65c4f R14: 00007f7a68fcb300 R15: 0000000000022000 irq event stamp: 3322 hardirqs last enabled at (3321): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (3321): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (3322): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3318): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (3073): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3073): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f95 ]--- ------------[ cut here ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended WARNING: CPU: 1 PID: 7570 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7570 Comm: syz-executor.0 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d18379e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c783d6f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d18379f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c783d738 R13: ffff8881c783f040 R14: 0000000000000000 R15: ffff8881c7f25080 FS: 00007f74320c4700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000055c000 CR3: 00000001f2d77004 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:00007f74320c4188 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: 00007fffc6fb4c8f R14: 00007f74320c4300 R15: 0000000000022000 irq event stamp: 1362 hardirqs last enabled at (1361): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1361): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1362): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1184): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1184): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1180): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1180): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace ac1666962a211f96 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7621 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7621 Comm: syz-executor.3 Tainted: G W 4.19.196-syzkaller #0 MINIX-fs: mounting unchecked file system, running fsck is recommended Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881e4eaf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ce3ba4f0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881e4eaf9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881ce3ba538 R13: ffff8881c78549a0 R14: 0000000000000000 R15: ffff8881c93ee080 FS: 00007fc57671c700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffefd11c60 CR3: 00000001f3fa4003 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 ------------[ 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:00007fc57671c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 WARNING: CPU: 0 PID: 7617 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 Modules linked in: RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 CPU: 0 PID: 7617 Comm: syz-executor.0 Tainted: G W 4.19.196-syzkaller #0 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fffe7de59af R14: 00007fc57671c300 R15: 0000000000022000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 irq event stamp: 1164 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 hardirqs last enabled at (1163): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1163): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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 hardirqs last disabled at (1164): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1158): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 RSP: 0018:ffff8881d08ef9e0 EFLAGS: 00010282 softirqs last disabled at (1121): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1121): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 RAX: 0000000000000024 RBX: ffff8881cce095b0 RCX: 0000000000000000 ---[ end trace ac1666962a211f97 ]--- RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d08ef9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cce095f8 R13: ffff8881cce09140 R14: 0000000000000000 R15: ffff8881c7e83080 FS: 00007f74320a3700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffefc1f3e7 CR3: 00000001e6fd1005 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:00007f74320a3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 0000000000000005 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007fffc6fb4c8f R14: 00007f74320a3300 R15: 0000000000022000 irq event stamp: 790 hardirqs last enabled at (789): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (789): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (790): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (786): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (773): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (773): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f98 ]--- 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: 7630 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7630 Comm: syz-executor.5 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881d0a879e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cce46040 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881d0a879f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cce46088 R13: ffff8881cce47960 R14: 0000000000000000 R15: ffff8881e0225080 MINIX-fs: mounting unchecked file system, running fsck is recommended FS: 00007f0db5637700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0db5638000 CR3: 00000001d371a005 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: 7665 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7665 Comm: syz-executor.0 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881de7d79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ccd0baa0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 __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: ffff8881de7d79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881ccd0bae8 R13: ffff8881ccd0b630 R14: 0000000000000000 R15: ffff8881c7e12080 entry_SYSCALL_64_after_hwframe+0x49/0xbe FS: 00007f74320c4700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 RIP: 0033:0x465809 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 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 CR2: 0000564be9d70030 CR3: 00000001d0b7d002 CR4: 00000000001606e0 RSP: 002b:00007f0db5637188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 Call Trace: R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007ffea9e4da3f R14: 00007f0db5637300 R15: 0000000000022000 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 irq event stamp: 1016 hardirqs last enabled at (1015): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1015): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1016): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (884): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (884): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (880): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (880): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace ac1666962a211f99 ]--- 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:00007f74320c4188 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: 00007fffc6fb4c8f R14: 00007f74320c4300 R15: 0000000000022000 irq event stamp: 1050 hardirqs last enabled at (1049): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1049): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1050): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (898): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (898): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (894): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (894): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace ac1666962a211f9a ]--- 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 WARNING: CPU: 1 PID: 7682 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7682 Comm: syz-executor.3 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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 ------------[ cut here ]------------ RSP: 0018:ffff8881e54279e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c78774b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881e54279f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c78774f8 R13: ffff8881c7877040 R14: 0000000000000000 R15: ffff8881c7e12080 FS: 00007fc57671c700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc57671d000 CR3: 00000001f47f2005 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: 7707 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7707 Comm: syz-executor.4 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881cf2bf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ce3b9100 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RBP: ffff8881cf2bf9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 __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: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881ce3b9148 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 R13: ffff8881c7827a20 R14: 0000000000000000 R15: ffff8881c7e39080 entry_SYSCALL_64_after_hwframe+0x49/0xbe FS: 00007f7a68faa700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 RIP: 0033:0x465809 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 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 CR2: 00007f7a68fab000 CR3: 00000001dbf33006 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RSP: 002b:00007fc57671c188 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: 00007fffe7de59af R14: 00007fc57671c300 R15: 0000000000022000 irq event stamp: 1426 hardirqs last enabled at (1425): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1425): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1426): [] trace_hardirqs_off_thunk+0x1a/0x1c vfs_rename+0xa13/0x1860 fs/namei.c:4479 softirqs last enabled at (1420): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1323): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1323): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f9b ]--- ------------[ cut here ]------------ do_renameat2+0x60d/0xa00 fs/namei.c:4629 WARNING: CPU: 1 PID: 7709 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7709 Comm: syz-executor.5 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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:ffff8881dfcf79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c787aaa0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 __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: ffff8881dfcf79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c787aae8 entry_SYSCALL_64_after_hwframe+0x49/0xbe R13: ffff8881ccf6a200 R14: 0000000000000000 R15: ffff8881cecee080 FS: 00007f0db5637700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 RIP: 0033:0x465809 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efead2ea000 CR3: 00000001dfd2c002 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:00007f7a68faa188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007ffcf1c65c4f R14: 00007f7a68faa300 R15: 0000000000022000 irq event stamp: 468 vfs_rename+0xa13/0x1860 fs/namei.c:4479 hardirqs last enabled at (467): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (467): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (468): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (462): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (431): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (431): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace ac1666962a211f9c ]--- ------------[ cut here ]------------ do_renameat2+0x60d/0xa00 fs/namei.c:4629 WARNING: CPU: 0 PID: 7706 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7706 Comm: syz-executor.2 Tainted: G W 4.19.196-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 2d 65 bd fa 4c 89 e7 e8 03 84 ae fa eb ea 48 c7 c7 00 b6 53 87 e8 ce 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 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 RSP: 0018:ffff8881cf21f9e0 EFLAGS: 00010282 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RAX: 0000000000000024 RBX: ffff8881ccf6a670 RCX: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe RDX: 0000000000000000 RSI: ffffffff878b7800 RDI: ffffffff8a3e3aa0 RIP: 0033:0x465809 RBP: ffff8881cf21f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 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: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881ccf6a6b8 RSP: 002b:00007f0db5637188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 R13: ffff8881c7827140 R14: 0000000000000000 R15: ffff8881c95b5080 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 FS: 00007fdaa2763700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 CR2: 00007efead314000 CR3: 00000001e1737005 CR4: 00000000001606f0 R13: 00007ffea9e4da3f R14: 00007f0db5637300 R15: 0000000000022000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 irq event stamp: 458 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 hardirqs last enabled at (457): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (457): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 Call Trace: hardirqs last disabled at (458): [] trace_hardirqs_off_thunk+0x1a/0x1c inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 softirqs last enabled at (284): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (284): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204