bisecting fixing commit since a1b977b49b66c75e6c51a515f6700371ae720217 building syzkaller on 1880b4a9f394370a7d1fcb5c1cfca0fa1127b463 testing commit a1b977b49b66c75e6c51a515f6700371ae720217 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: e1a086bd5e1396d7344ce5bccbf434f28012ead8569851bc603d3931af305ce8 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 corrupted 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 run #10: crashed: WARNING in drop_nlink run #11: crashed: WARNING in drop_nlink run #12: crashed: WARNING in drop_nlink run #13: crashed: WARNING in drop_nlink run #14: crashed: WARNING in drop_nlink run #15: crashed: WARNING in drop_nlink run #16: crashed: WARNING in corrupted run #17: crashed: WARNING in drop_nlink run #18: crashed: WARNING in drop_nlink run #19: crashed: WARNING in drop_nlink testing current HEAD 5c66974a63046780925e5d99b6dc6631fe2f9a31 testing commit 5c66974a63046780925e5d99b6dc6631fe2f9a31 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 7e9136c63593372efea0ba0aff84ef021e6bf3362e54e4ce030f2c11ea52d61b all runs: crashed: WARNING in drop_nlink revisions tested: 2, total time: 30m25.326763586s (build: 22m46.741402597s, test: 7m1.254232357s) the crash still happens on HEAD commit msg: Linux 4.19.202 crash: WARNING in drop_nlink wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 WARNING: CPU: 1 PID: 7317 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready Modules linked in: CPU: 1 PID: 7317 Comm: syz-executor.5 Not tainted 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881d974f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c867f570 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881d974f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c867f5b8 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 R13: ffff8881c867f100 R14: 0000000000000000 R15: ffff8881c9efd080 FS: 00007f861aa39700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc9d571e94 CR3: 00000001d8858006 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_CHANGE): wlan0: 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:00007f861aa39188 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: 00007ffdc623ffff R14: 00007f861aa39300 R15: 0000000000022000 irq event stamp: 1584 hardirqs last enabled at (1583): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1583): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1584): [] trace_hardirqs_off_thunk+0x1a/0x1c IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready softirqs last enabled at (1580): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 softirqs last disabled at (1515): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1515): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ---[ end trace e3eb7f6f3ff1f7aa ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7362 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7362 Comm: syz-executor.2 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881daecf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c868c180 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881daecf9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c868c1c8 R13: ffff8881c868eaa0 R14: 0000000000000000 R15: ffff8881cf1fa080 FS: 00007fe1f5f3d700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb64a1b318 CR3: 00000001d5a87006 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_UP): wlan0: link is not ready vfs_rename+0xa13/0x1860 fs/namei.c:4479 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready 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 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 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:00007fe1f5f3d188 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: 00007fff5df9dc6f R14: 00007fe1f5f3d300 R15: 0000000000022000 irq event stamp: 2420 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready hardirqs last enabled at (2419): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2419): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (2420): [] trace_hardirqs_off_thunk+0x1a/0x1c wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 softirqs last enabled at (2376): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (2243): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2243): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ---[ end trace e3eb7f6f3ff1f7ab ]--- 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 MINIX-fs: mounting unchecked file system, running fsck is recommended MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ ------------[ cut here ]------------ IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready WARNING: CPU: 1 PID: 7438 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: 7438 Comm: syz-executor.5 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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): wlan1: link is not ready RSP: 0018:ffff8881f46879e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c87499a0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8a3e4aa0 RBP: ffff8881f46879f8 R08: ffffed103ece3eef R09: ffffed103ece3eee R10: ffffed103ece3eee R11: ffff8881f671f777 R12: ffff8881c87499e8 R13: ffff8881c8749530 R14: 0000000000000000 R15: ffff8881ce2f3080 FS: 00007f861aa39700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f861aa3a000 CR3: 00000001cffce003 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 WARNING: CPU: 0 PID: 7430 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7430 Comm: syz-executor.3 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881cd10f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c86fa280 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881cd10f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c86fa2c8 R13: ffff8881c86fb920 R14: 0000000000000000 R15: ffff8881c9faf080 FS: 00007f34e8bde700(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: 00007f69849dc000 CR3: 00000001d4c8a006 CR4: 00000000001606f0 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 RIP: 0033:0x465809 Call Trace: 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 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 RSP: 002b:00007f861aa39188 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: 00007ffdc623ffff R14: 00007f861aa39300 R15: 0000000000022000 vfs_rename+0xa13/0x1860 fs/namei.c:4479 irq event stamp: 1040 hardirqs last enabled at (1039): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1039): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1040): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (878): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (878): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (874): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (874): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 do_renameat2+0x60d/0xa00 fs/namei.c:4629 ---[ end trace e3eb7f6f3ff1f7ac ]--- IPv6: ADDRCONF(NETDEV_UP): wlan1: 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:00007f34e8bde188 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: 00007ffd4a251a6f R14: 00007f34e8bde300 R15: 0000000000022000 irq event stamp: 1196 hardirqs last enabled at (1195): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1195): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1196): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1182): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1093): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1093): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7ad ]--- 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 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 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 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: 7469 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7469 Comm: syz-executor.3 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881cd1a79e0 EFLAGS: 00010282 minix_free_inode: bit 5 already cleared RAX: 0000000000000024 RBX: ffff8881c87c64b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881cd1a79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c87c64f8 R13: ffff8881c87c6040 R14: 0000000000000000 R15: ffff8881c9fb4080 FS: 00007f34e8bde700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f861aa19000 CR3: 00000001f2db4006 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 ------------[ cut here ]------------ vfs_rename+0xa13/0x1860 fs/namei.c:4479 minix_free_inode: bit 5 already cleared WARNING: CPU: 0 PID: 7459 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: do_renameat2+0x60d/0xa00 fs/namei.c:4629 CPU: 0 PID: 7459 Comm: syz-executor.4 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881cd10f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c87efae0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881cd10f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c87efb28 R13: ffff8881c87ef200 R14: 0000000000000000 R15: ffff8881c7c7f080 __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 FS: 00007fc9f1750700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 entry_SYSCALL_64_after_hwframe+0x49/0xbe CR2: 00007fe1f5efb718 CR3: 00000001cd574005 CR4: 00000000001606f0 RIP: 0033:0x465809 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 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 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RSP: 002b:00007f34e8bde188 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: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffd4a251a6f R14: 00007f34e8bde300 R15: 0000000000022000 irq event stamp: 1830 hardirqs last enabled at (1829): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1829): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 vfs_rename+0xa13/0x1860 fs/namei.c:4479 hardirqs last disabled at (1830): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1824): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1799): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1799): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7ae ]--- 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:00007fc9f1750188 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: 00007ffc165fd4af R14: 00007fc9f1750300 R15: 0000000000022000 irq event stamp: 1148 hardirqs last enabled at (1147): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1147): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1148): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1144): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1119): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1119): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7af ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7489 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7489 Comm: syz-executor.1 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881d680f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c87d2630 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881d680f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c87d2678 R13: ffff8881c87d21c0 R14: 0000000000000000 R15: ffff8881c9f50080 FS: 00007ff854c7c700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff860f4397 CR3: 00000001f31d2006 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:00007ff854c7c188 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: 00007fffafd24c3f R14: 00007ff854c7c300 R15: 0000000000022000 irq event stamp: 490 hardirqs last enabled at (489): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (489): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (490): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (484): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (407): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (407): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7b0 ]--- 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 ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7527 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7527 Comm: syz-executor.3 Tainted: G W 4.19.202-syzkaller #0 WARNING: CPU: 1 PID: 7524 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Modules linked in: RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 CPU: 1 PID: 7524 Comm: syz-executor.0 Tainted: G W 4.19.202-syzkaller #0 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 c4 2c bd fa 4c 89 e7 e8 6a 4d 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RSP: 0018:ffff8881d2c979e0 EFLAGS: 00010282 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RAX: 0000000000000024 RBX: ffff8881c6c09570 RCX: 0000000000000000 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 c4 2c bd fa 4c 89 e7 e8 6a 4d 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 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RSP: 0018:ffff8881cd0979e0 EFLAGS: 00010282 RBP: ffff8881d2c979f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c6c095b8 RAX: 0000000000000024 RBX: ffff8881c6c36040 RCX: 0000000000000000 R13: ffff8881c6c09100 R14: 0000000000000000 R15: ffff8881c9f94080 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 FS: 00007f34e8bde700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 RBP: ffff8881cd0979f8 R08: ffffed103ece5081 R09: ffffed103ece5080 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000055c000 CR3: 00000001eeb81003 CR4: 00000000001606f0 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c6c36088 R13: ffff8881c6c37080 R14: 0000000000000000 R15: ffff8881c7cdd080 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 FS: 00007f54fa0e2700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Call Trace: CR2: 00007f861aa19000 CR3: 00000001d389a002 CR4: 00000000001606e0 inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 vfs_rename+0xa13/0x1860 fs/namei.c:4479 vfs_rename+0xa13/0x1860 fs/namei.c:4479 do_renameat2+0x60d/0xa00 fs/namei.c:4629 do_renameat2+0x60d/0xa00 fs/namei.c:4629 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 __do_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:00007f34e8bde188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RSP: 002b:00007f54fa0e2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffc9e9919bf R14: 00007f54fa0e2300 R15: 0000000000022000 R13: 00007ffd4a251a6f R14: 00007f34e8bde300 R15: 0000000000022000 irq event stamp: 1212 irq event stamp: 4534 hardirqs last enabled at (1211): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1211): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last enabled at (4533): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (4533): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1212): [] trace_hardirqs_off_thunk+0x1a/0x1c hardirqs last disabled at (4534): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1148): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last enabled at (4528): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1065): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1065): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7b1 ]--- softirqs last disabled at (4279): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (4279): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ------------[ cut here ]------------ ---[ end trace e3eb7f6f3ff1f7b2 ]--- WARNING: CPU: 1 PID: 7531 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7531 Comm: syz-executor.1 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881d2d1f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c6c47ae0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881d2d1f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c6c47b28 R13: ffff8881ccc26960 R14: 0000000000000000 R15: ffff8881c7d0e080 FS: 00007ff854c9d700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f54fa0c2000 CR3: 00000001f3a70002 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:00007ff854c9d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000003 RSI: 0000000020000500 RDI: 0000000000000004 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007fffafd24c3f R14: 00007ff854c9d300 R15: 0000000000022000 irq event stamp: 2134 hardirqs last enabled at (2133): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2133): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (2134): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2122): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1823): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1823): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7b3 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7570 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7570 Comm: syz-executor.5 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881ce7179e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c6c0b6b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881ce7179f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881c6c0b6f8 R13: ffff8881c6c0b240 R14: 0000000000000000 R15: ffff8881c7cf0080 FS: 00007f861aa18700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9f174ffe8 CR3: 00000001d57c0004 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:00007f861aa18188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RAX: ffffffffffffffda RBX: 000000000055bfa8 RCX: 0000000000465809 RDX: 000000000000000b RSI: 0000000020000500 RDI: 000000000000000c RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bfa8 R13: 00007ffdc623ffff R14: 00007f861aa18300 R15: 0000000000022000 irq event stamp: 496 hardirqs last enabled at (495): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (495): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (496): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (322): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (322): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (318): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (318): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace e3eb7f6f3ff1f7b4 ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7587 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7587 Comm: syz-executor.3 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881c6abf9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881c6c524b0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c6abf9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c6c524f8 R13: ffff8881c6c52040 R14: 0000000000000000 R15: ffff8881c7cbe080 FS: 00007f34e8bde700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f861a9f8000 CR3: 00000001ea12d005 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:00007f34e8bde188 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: 00007ffd4a251a6f R14: 00007f34e8bde300 R15: 0000000000022000 irq event stamp: 1174 hardirqs last enabled at (1173): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last disabled at (1174): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (998): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (998): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (994): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (994): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace e3eb7f6f3ff1f7b5 ]--- 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 ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7626 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7626 Comm: syz-executor.5 Tainted: G W 4.19.202-syzkaller #0 WARNING: CPU: 1 PID: 7620 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Modules linked in: RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 CPU: 1 PID: 7620 Comm: syz-executor.4 Tainted: G W 4.19.202-syzkaller #0 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 c4 2c bd fa 4c 89 e7 e8 6a 4d 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 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 RSP: 0018:ffff8881c771f9e0 EFLAGS: 00010282 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 c4 2c bd fa 4c 89 e7 e8 6a 4d 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: ffff8881cce1c4f0 RCX: 0000000000000000 RSP: 0018:ffff8881c76ff9e0 EFLAGS: 00010282 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c771f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 RAX: 0000000000000024 RBX: ffff8881c6c671c0 RCX: 0000000000000000 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cce1c538 R13: ffff8881cce1c080 R14: 0000000000000000 R15: ffff8881cfb4e080 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c76ff9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 FS: 00007f861aa39700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c6c67208 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: ffff8881c6c696b0 R14: 0000000000000000 R15: ffff8881c9f55080 FS: 00007fc9f1750700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CR2: 00007f54fa0c2000 CR3: 00000001e97ab002 CR4: 00000000001606f0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CR2: 00007f6984a0e000 CR3: 00000001ecfda005 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Call Trace: inode_dec_link_count include/linux/fs.h:2107 [inline] minix_rename+0x330/0x720 fs/minix/namei.c:226 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:00007fc9f1750188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RSP: 002b:00007f861aa39188 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 R13: 00007ffdc623ffff R14: 00007f861aa39300 R15: 0000000000022000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 irq event stamp: 1268 R13: 00007ffc165fd4af R14: 00007fc9f1750300 R15: 0000000000022000 irq event stamp: 1492 hardirqs last enabled at (1267): [] __free_pages_ok+0x616/0xd60 mm/page_alloc.c:1286 hardirqs last enabled at (1491): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1491): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1268): [] trace_hardirqs_off_thunk+0x1a/0x1c hardirqs last disabled at (1492): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1242): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last enabled at (1486): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1219): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1219): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 softirqs last disabled at (1399): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1399): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7b6 ]--- ---[ end trace e3eb7f6f3ff1f7b7 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7635 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7635 Comm: syz-executor.3 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881c644f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881cce36a60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c644f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881cce36aa8 R13: ffff8881cce406b0 R14: 0000000000000000 R15: ffff8881c9e61080 FS: 00007f34e8bde700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000003008848 CR3: 00000001e7757002 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:00007f34e8bde188 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: 00007ffd4a251a6f R14: 00007f34e8bde300 R15: 0000000000022000 irq event stamp: 1186 hardirqs last enabled at (1185): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1185): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1186): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1180): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (1149): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1149): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7b8 ]--- 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 ]------------ MINIX-fs: mounting unchecked file system, running fsck is recommended WARNING: CPU: 1 PID: 7674 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7674 Comm: syz-executor.4 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881c644f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ccd651c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c644f9f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881ccd65208 R13: ffff8881ccd66ae0 R14: 0000000000000000 R15: ffff8881c9fe3080 FS: 00007fc9f1750700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f861aa3a000 CR3: 00000001d51f4002 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 WARNING: CPU: 0 PID: 7680 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: 0 PID: 7680 Comm: syz-executor.5 Tainted: G W 4.19.202-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:00007fc9f1750188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 c4 2c bd fa 4c 89 e7 e8 6a 4d 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: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RSP: 0018:ffff8881ecf2f9e0 EFLAGS: 00010282 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RAX: 0000000000000024 RBX: ffff8881ccd0c040 RCX: 0000000000000000 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffc165fd4af R14: 00007fc9f1750300 R15: 0000000000022000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881ecf2f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 irq event stamp: 1318 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881ccd0c088 hardirqs last enabled at (1317): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1317): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 R13: ffff8881c6c140c0 R14: 0000000000000000 R15: ffff8881c9d78080 hardirqs last disabled at (1318): [] trace_hardirqs_off_thunk+0x1a/0x1c FS: 00007f861aa39700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 softirqs last enabled at (1166): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1166): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 softirqs last disabled at (1162): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1162): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 CR2: 0000564bb081e818 CR3: 00000001d3ca9006 CR4: 00000000001606f0 ---[ end trace e3eb7f6f3ff1f7b9 ]--- 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:00007f861aa39188 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: 00007ffdc623ffff R14: 00007f861aa39300 R15: 0000000000022000 irq event stamp: 1338 hardirqs last enabled at (1337): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1337): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (1338): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1160): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1160): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1156): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1156): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace e3eb7f6f3ff1f7ba ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7697 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7697 Comm: syz-executor.3 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881c5fd79e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ccd0ea60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c5fd79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881ccd0eaa8 R13: ffff8881ccd0e5f0 R14: 0000000000000000 R15: ffff8881c9d79080 FS: 00007f34e8bbd700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000055c000 CR3: 00000001e6f4b003 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:00007f34e8bbd188 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: 00007ffd4a251a6f R14: 00007f34e8bbd300 R15: 0000000000022000 irq event stamp: 390 hardirqs last enabled at (389): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (389): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (390): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (246): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (246): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (242): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (242): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 ---[ end trace e3eb7f6f3ff1f7bb ]--- 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 ]------------ ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7736 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 1 PID: 7736 Comm: syz-executor.4 Tainted: G W 4.19.202-syzkaller #0 WARNING: CPU: 0 PID: 7735 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Modules linked in: RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 CPU: 0 PID: 7735 Comm: syz-executor.5 Tainted: G W 4.19.202-syzkaller #0 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 c4 2c bd fa 4c 89 e7 e8 6a 4d 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RSP: 0018:ffff8881c56b79e0 EFLAGS: 00010282 RIP: 0010:drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 RAX: 0000000000000024 RBX: ffff8881c6cad570 RCX: 0000000000000000 Code: e0 2a 80 3c 02 00 75 0c 48 8b 83 d0 00 00 00 e9 c4 2c bd fa 4c 89 e7 e8 6a 4d 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 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c56b79f8 R08: ffffed103ece5081 R09: ffffed103ece5080 RSP: 0018:ffff8881f40af9e0 EFLAGS: 00010282 R10: ffffed103ece5080 R11: ffff8881f6728407 R12: ffff8881c6cad5b8 RAX: 0000000000000024 RBX: ffff8881c6cab080 RCX: 0000000000000000 R13: ffff8881c6cad100 R14: 0000000000000000 R15: ffff8881c9e1b080 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8a3e4aa0 FS: 00007fc9f1750700(0000) GS:ffff8881f6700000(0000) knlGS:0000000000000000 RBP: ffff8881f40af9f8 R08: ffffed103ecc3eef R09: ffffed103ecc3eee CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R10: ffffed103ecc3eee R11: ffff8881f661f777 R12: ffff8881c6cab0c8 CR2: 00007fe1f5f1d000 CR3: 00000001e7f7c006 CR4: 00000000001606e0 R13: ffff8881ccfbea20 R14: 0000000000000000 R15: ffff8881d5d3f080 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 FS: 00007f861aa39700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Call Trace: CR2: 0000000000558000 CR3: 00000001df435003 CR4: 00000000001606f0 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_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 __do_sys_renameat fs/namei.c:4670 [inline] __se_sys_renameat fs/namei.c:4667 [inline] __x64_sys_renameat+0x95/0xf0 fs/namei.c:4667 entry_SYSCALL_64_after_hwframe+0x49/0xbe do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 RIP: 0033:0x465809 entry_SYSCALL_64_after_hwframe+0x49/0xbe Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc9f1750188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RIP: 0033:0x465809 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a RSP: 002b:00007f861aa39188 EFLAGS: 00000246 ORIG_RAX: 0000000000000108 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 RAX: ffffffffffffffda RBX: 000000000055bf00 RCX: 0000000000465809 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 RDX: 0000000000000009 RSI: 0000000020000500 RDI: 000000000000000a R13: 00007ffc165fd4af R14: 00007fc9f1750300 R15: 0000000000022000 RBP: 00000000004af675 R08: 0000000000000000 R09: 0000000000000000 irq event stamp: 1318 R10: 00000000200017c0 R11: 0000000000000246 R12: 000000000055bf00 R13: 00007ffdc623ffff R14: 00007f861aa39300 R15: 0000000000022000 hardirqs last enabled at (1317): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (1317): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 irq event stamp: 1388 hardirqs last disabled at (1318): [] trace_hardirqs_off_thunk+0x1a/0x1c 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 softirqs last enabled at (1160): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (1160): [] wb_queue_work+0x1e3/0x3c0 fs/fs-writeback.c:204 softirqs last disabled at (1156): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (1156): [] wb_queue_work+0x84/0x3c0 fs/fs-writeback.c:196 hardirqs last disabled at (1388): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (1384): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 ---[ end trace e3eb7f6f3ff1f7bc ]--- softirqs last disabled at (1291): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (1291): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7bd ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7733 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7733 Comm: syz-executor.3 Tainted: G W 4.19.202-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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881d59af9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ccff9b60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881d59af9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881ccff9ba8 R13: ffff8881ccff96f0 R14: 0000000000000000 R15: ffff8881c7c52080 FS: 00007f34e8bde700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000560040cffa18 CR3: 00000001e0ea3002 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:00007f34e8bde188 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: 00007ffd4a251a6f R14: 00007f34e8bde300 R15: 0000000000022000 irq event stamp: 2952 hardirqs last enabled at (2951): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2951): [] _raw_spin_unlock_irq+0x27/0x90 kernel/locking/spinlock.c:192 hardirqs last disabled at (2952): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2946): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (2863): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2863): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace e3eb7f6f3ff1f7be ]--- MINIX-fs: mounting unchecked file system, running fsck is recommended ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7782 at fs/inode.c:286 drop_nlink.cold.19+0xc/0x3c fs/inode.c:286 Modules linked in: CPU: 0 PID: 7782 Comm: syz-executor.2 Tainted: G W 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 MINIX-fs: mounting unchecked file system, running fsck is recommended 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 c4 2c bd fa 4c 89 e7 e8 6a 4d 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:ffff8881c712f9e0 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881ccfeab60 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878b7920 RDI: ffffffff8a3e4aa0 RBP: ffff8881c712f9f8 R08: ffffed103ecc5081 R09: ffffed103ecc5080 R10: ffffed103ecc5080 R11: ffff8881f6628407 R12: ffff8881ccfeaba8 ------------[ cut here ]------------ R13: ffff8881ccfea6f0 R14: 0000000000000000 R15: ffff8881c9ec3080 FS: 00007fe1f5f3d700(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe1f5f3e000 CR3: 00000001ddc48006 CR4: 00000000001606f0