INFO: task syz-executor.2:22980 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28648 22980 8128 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 filp_close+0xb4/0x160 fs/open.c:1162 __close_fd+0x133/0x200 fs/file.c:636 __do_sys_close fs/open.c:1181 [inline] __se_sys_close fs/open.c:1179 [inline] __x64_sys_close+0x69/0x100 fs/open.c:1179 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f969bd143cb Code: Bad RIP value. RSP: 002b:00007ffe0ec263c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f969bd143cb RDX: 0000001b2f520000 RSI: 0000001b2f5262bc RDI: 0000000000000005 RBP: 00007f969be84980 R08: 0000000000000000 R09: 000000003253460c R10: 000891a7dc3a7ccf R11: 0000000000000293 R12: 00000000000767a6 R13: 00007ffe0ec264c0 R14: 00007f969be83120 R15: 0000000000000032 INFO: task syz-executor.2:22988 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D27592 22988 8128 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 fuse_wait_on_page_writeback fs/fuse/file.c:383 [inline] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 fs/fuse/file.c:379 fuse_launder_page fs/fuse/file.c:2033 [inline] fuse_launder_page+0xb6/0xe0 fs/fuse/file.c:2026 do_launder_page mm/truncate.c:655 [inline] invalidate_inode_pages2_range+0x795/0x1110 mm/truncate.c:725 sd 0:0:1:0: device reset fuse_finish_open+0x2e2/0x590 fs/fuse/file.c:182 fuse_open_common+0x236/0x2c0 fs/fuse/file.c:222 do_dentry_open+0x4aa/0x1160 fs/open.c:796 sd 0:0:1:0: [sg0] tag#5912 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5912 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#5912 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5912 CDB[c0]: 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5906 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#5906 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5906 CDB[c0]: 00 00 00 00 00 00 00 00 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 scsi_io_completion_action: 4 callbacks suppressed sd 0:0:1:0: [sg0] tag#5946 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5946 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#5946 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[c0]: 00 00 00 00 00 00 00 00 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f969bd625f9 Code: Bad RIP value. RSP: 002b:00007f969a6d5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f969be82f80 RCX: 00007f969bd625f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f969bdbd7b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 sd 0:0:1:0: [sg0] tag#5946 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5946 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#5946 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 R13: 00007ffe0ec2635f R14: 00007f969a6d5300 R15: 0000000000022000 INFO: task syz-executor.2:23000 blocked for more than 140 seconds. sd 0:0:1:0: [sg0] tag#5946 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Not tainted 4.19.211-syzkaller #0 sd 0:0:1:0: [sg0] tag#5946 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. sd 0:0:1:0: [sg0] tag#5946 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[c0]: 00 00 00 00 00 00 00 00 syz-executor.2 D27880 23000 8128 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 sd 0:0:1:0: [sg0] tag#5935 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5935 CDB: Sanitize/Play audio track/index sd 0:0:1:0: [sg0] tag#5935 CDB[00]: 48 3c c2 07 09 78 b5 5f 03 99 4d 0f b6 85 75 a2 sd 0:0:1:0: [sg0] tag#5935 CDB[10]: 4d 02 6d c9 f4 74 a4 f3 c5 49 fd 9c 1c a4 54 fb sd 0:0:1:0: [sg0] tag#5935 CDB[20]: b8 37 81 30 47 ef f9 f1 d1 4d b4 69 74 77 32 f1 sd 0:0:1:0: [sg0] tag#5935 CDB[30]: bb 5c b2 cb c4 32 4f 0d 42 29 a7 93 cc a2 15 d8 sd 0:0:1:0: [sg0] tag#5935 CDB[40]: ec 63 93 ce fe ea fe fb 62 13 cf f7 55 b6 47 7a sd 0:0:1:0: [sg0] tag#5935 CDB[50]: 00 74 f2 68 00 59 e5 e6 4e 8e 95 e6 3a 99 3d 5f sd 0:0:1:0: [sg0] tag#5935 CDB[60]: ea ca b7 65 84 60 00 b4 17 96 e9 7c 5f 74 b7 8d sd 0:0:1:0: [sg0] tag#5935 CDB[70]: 01 48 2a e1 fa db 85 1d 06 54 75 8c 1a b0 b7 ab sd 0:0:1:0: [sg0] tag#5935 CDB[80]: 3b d9 27 5c 10 50 56 fc 92 b8 05 e9 14 9f 0b 12 sd 0:0:1:0: [sg0] tag#5935 CDB[90]: 06 88 48 14 26 93 51 f9 95 9c ca 99 71 a7 b7 ea sd 0:0:1:0: [sg0] tag#5935 CDB[a0]: fa e4 c3 be 7a 81 07 63 9f 67 86 b9 55 0d 7b 59 sd 0:0:1:0: [sg0] tag#5935 CDB[b0]: d9 a9 0a 7a 42 57 89 34 05 66 db 11 27 18 6b b5 sd 0:0:1:0: [sg0] tag#5935 CDB[c0]: 01 b8 5d f2 48 9b 1f d3 23 47 a0 0c 68 32 8c 3c sd 0:0:1:0: [sg0] tag#5935 CDB[d0]: c1 2b schedule+0x8d/0x1b0 kernel/sched/core.c:3561 io_schedule+0xb5/0x120 kernel/sched/core.c:5181 wait_on_page_bit_common mm/filemap.c:1123 [inline] __lock_page+0x316/0x460 mm/filemap.c:1296 lock_page include/linux/pagemap.h:484 [inline] invalidate_inode_pages2_range+0xb3f/0x1110 mm/truncate.c:713 fuse_finish_open+0x2e2/0x590 fs/fuse/file.c:182 fuse_open_common+0x254/0x2c0 fs/fuse/file.c:222 do_dentry_open+0x4aa/0x1160 fs/open.c:796 sd 0:0:1:0: [sg0] tag#5946 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5946 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#5946 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[c0]: 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5946 CDB: Sanitize/Play audio track/index sd 0:0:1:0: [sg0] tag#5946 CDB[00]: 48 3c c2 07 09 78 b5 5f 03 99 4d 0f b6 85 75 a2 sd 0:0:1:0: [sg0] tag#5946 CDB[10]: 4d 02 6d c9 f4 74 a4 f3 c5 49 fd 9c 1c a4 54 fb sd 0:0:1:0: [sg0] tag#5946 CDB[20]: b8 37 81 30 47 ef f9 f1 d1 4d b4 69 74 77 32 f1 sd 0:0:1:0: [sg0] tag#5946 CDB[30]: bb 5c b2 cb c4 32 4f 0d 42 29 a7 93 cc a2 15 d8 sd 0:0:1:0: [sg0] tag#5946 CDB[40]: ec 63 93 ce fe ea fe fb 62 13 cf f7 55 b6 47 7a sd 0:0:1:0: [sg0] tag#5946 CDB[50]: 00 74 f2 68 00 59 e5 e6 4e 8e 95 e6 3a 99 3d 5f sd 0:0:1:0: [sg0] tag#5946 CDB[60]: ea ca b7 65 84 60 00 b4 17 96 e9 7c 5f 74 b7 8d sd 0:0:1:0: [sg0] tag#5946 CDB[70]: 01 48 2a e1 fa db 85 1d 06 54 75 8c 1a b0 b7 ab sd 0:0:1:0: [sg0] tag#5946 CDB[80]: 3b d9 27 5c 10 50 56 fc 92 b8 05 e9 14 9f 0b 12 sd 0:0:1:0: [sg0] tag#5946 CDB[90]: 06 88 48 14 26 93 51 f9 95 9c ca 99 71 a7 b7 ea sd 0:0:1:0: [sg0] tag#5946 CDB[a0]: fa e4 c3 be 7a 81 07 63 9f 67 86 b9 55 0d 7b 59 sd 0:0:1:0: [sg0] tag#5946 CDB[b0]: d9 a9 0a 7a 42 57 89 34 05 66 db 11 27 18 6b b5 sd 0:0:1:0: [sg0] tag#5946 CDB[c0]: 01 b8 5d f2 48 9b 1f d3 23 47 a0 0c 68 32 8c 3c sd 0:0:1:0: [sg0] tag#5946 CDB[d0]: c1 2b do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 sd 0:0:1:0: [sg0] tag#5935 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK do_filp_open+0x18c/0x3f0 fs/namei.c:3567 sd 0:0:1:0: [sg0] tag#5935 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#5935 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: device reset sd 0:0:1:0: [sg0] tag#5935 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 CDB[c0]: 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5935 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#5935 CDB: Sanitize/Play audio track/index sd 0:0:1:0: [sg0] tag#5935 CDB[00]: 48 3c c2 07 09 78 b5 5f 03 99 4d 0f b6 85 75 a2 sd 0:0:1:0: [sg0] tag#5935 CDB[10]: 4d 02 6d c9 f4 74 a4 f3 c5 49 fd 9c 1c a4 54 fb sd 0:0:1:0: [sg0] tag#5935 CDB[20]: b8 37 81 30 47 ef f9 f1 d1 4d b4 69 74 77 32 f1 sd 0:0:1:0: [sg0] tag#5935 CDB[30]: bb 5c b2 cb c4 32 4f 0d 42 29 a7 93 cc a2 15 d8 sd 0:0:1:0: [sg0] tag#5935 CDB[40]: ec 63 93 ce fe ea fe fb 62 13 cf f7 55 b6 47 7a sd 0:0:1:0: [sg0] tag#5935 CDB[50]: 00 74 f2 68 00 59 e5 e6 4e 8e 95 e6 3a 99 3d 5f sd 0:0:1:0: [sg0] tag#5935 CDB[60]: ea ca b7 65 84 60 00 b4 17 96 e9 7c 5f 74 b7 8d sd 0:0:1:0: [sg0] tag#5935 CDB[70]: 01 48 2a e1 fa db 85 1d 06 54 75 8c 1a b0 b7 ab sd 0:0:1:0: [sg0] tag#5935 CDB[80]: 3b d9 27 5c 10 50 56 fc 92 b8 05 e9 14 9f 0b 12 sd 0:0:1:0: [sg0] tag#5935 CDB[90]: 06 88 48 14 26 93 51 f9 95 9c ca 99 71 a7 b7 ea sd 0:0:1:0: [sg0] tag#5935 CDB[a0]: fa e4 c3 be 7a 81 07 63 9f 67 86 b9 55 0d 7b 59 sd 0:0:1:0: [sg0] tag#5935 CDB[b0]: d9 a9 0a 7a 42 57 89 34 05 66 db 11 27 18 6b b5 sd 0:0:1:0: [sg0] tag#5935 CDB[c0]: 01 b8 5d f2 48 9b 1f d3 23 47 a0 0c 68 32 8c 3c sd 0:0:1:0: [sg0] tag#5935 CDB[d0]: c1 2b sd 0:0:1:0: device reset do_sys_open+0x3b3/0x520 fs/open.c:1085 sd 0:0:1:0: device reset sd 0:0:1:0: device reset do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. RIP: 0033:0x7f969bd625f9 Code: Bad RIP value. RSP: 002b:00007f969a6b4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 netlink: 28 bytes leftover after parsing attributes in process `syz-executor.5'. RAX: ffffffffffffffda RBX: 00007f969be83050 RCX: 00007f969bd625f9 netlink: 64 bytes leftover after parsing attributes in process `syz-executor.5'. RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 00007f969bdbd7b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0ec2635f R14: 00007f969a6b4300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000074d5c09 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7794: #0: 000000006f19ab52 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. 1 lock held by syz-executor.3/8132: #0: 000000000d68120d (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 000000000d68120d (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 1 lock held by syz-executor.2/22980: #0: 0000000014fec244 (&sb->s_type->i_mutex_key#30){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #0: 0000000014fec244 (&sb->s_type->i_mutex_key#30){+.+.}, at: fuse_flush+0x1fd/0x5b0 fs/fuse/file.c:421 2 locks held by syz-executor.2/23000: #0: 000000007ef273b4 (sb_writers#24){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000007ef273b4 (sb_writers#24){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. #1: 0000000014fec244 (&sb->s_type->i_mutex_key#30){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 0000000014fec244 (&sb->s_type->i_mutex_key#30){+.+.}, at: fuse_open_common+0x1bc/0x2c0 fs/fuse/file.c:215 sd 0:0:1:0: [sg0] tag#5946 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK 4 locks held by syz-executor.1/32487: sd 0:0:1:0: [sg0] tag#5946 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#5946 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3 locks held by syz-executor.5/32485: sd 0:0:1:0: [sg0] tag#5946 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2 locks held by syz-executor.2/32486: sd 0:0:1:0: [sg0] tag#5946 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[50]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[60]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[70]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[80]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[90]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[a0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[b0]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#5946 CDB[c0]: 00 00 00 00 00 00 00 00 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4697 Comm: systemd-udevd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:check_memory_region+0xb0/0x170 mm/kasan/kasan.c:268 Code: c0 08 48 39 d0 74 7b 48 83 38 00 74 f1 48 8d 50 08 eb 09 48 83 c0 01 48 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 <5b> 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 RSP: 0018:ffff88809afef8f0 EFLAGS: 00000246 RAX: ffffed101740455b RBX: ffffed101740455b RCX: ffffffff81518c83 RDX: ffffed101740455b RSI: 0000000000000004 RDI: ffff8880ba022ad0 RBP: ffffed101740455a R08: 0000000000000000 R09: ffffed101740455a R10: ffff8880ba022ad3 R11: 0000000000074071 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88823b843380 R15: 0000000000001000 FS: 00007fb2cb4658c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c029ad5000 CR3: 000000009d217000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] rcu_is_watching+0x53/0xc0 kernel/rcu/tree.c:1025 rcu_read_unlock include/linux/rcupdate.h:677 [inline] is_bpf_text_address+0x10e/0x1b0 kernel/bpf/core.c:548 kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 user_path_at_empty+0x2a/0x50 fs/namei.c:2609 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0x113/0x210 fs/stat.c:185 vfs_lstat include/linux/fs.h:3137 [inline] __do_sys_newlstat fs/stat.c:350 [inline] __se_sys_newlstat+0x96/0x120 fs/stat.c:344 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb2ca2d7335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffcc1733a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 000055bbb9955a20 RCX: 00007fb2ca2d7335 RDX: 00007ffcc1733ad0 RSI: 00007ffcc1733ad0 RDI: 000055bbb9954a20 RBP: 00007ffcc1733b90 R08: 00007fb2ca5961e8 R09: 0000000000001010 R10: 00007fb2ca595b58 R11: 0000000000000246 R12: 000055bbb9954a20 R13: 000055bbb9954a40 R14: 000055bbb99546fb R15: 000055bbb9954700