./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3836715220
<...>
no interfaces have a carrier
forked to background, child pid 3189
[ 25.777328][ T3190] 8021q: adding VLAN 0 to HW filter on device bond0
[ 25.789470][ T3190] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.38' (ECDSA) to the list of known hosts.
execve("./syz-executor3836715220", ["./syz-executor3836715220"], 0x7ffc5e6c6080 /* 10 vars */) = 0
brk(NULL) = 0x555555d28000
brk(0x555555d28c40) = 0x555555d28c40
arch_prctl(ARCH_SET_FS, 0x555555d28300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3836715220", 4096) = 28
brk(0x555555d49c40) = 0x555555d49c40
brk(0x555555d4a000) = 0x555555d4a000
mprotect(0x7f5c99c5e000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
openat(AT_FDCWD, "/dev/loop3", O_RDONLY) = 3
openat(AT_FDCWD, "/proc/self/exe", O_RDONLY) = 4
syzkaller login: [ 48.782491][ T3610] loop3: detected capacity change from 0 to 1697
[ 48.783768][ T52] ------------[ cut here ]------------
[ 48.783774][ T52] WARNING: CPU: 0 PID: 52 at fs/iomap/iter.c:33 iomap_iter+0xd85/0x1110
[ 48.804452][ T52] Modules linked in:
[ 48.808394][ T52] CPU: 1 PID: 52 Comm: kworker/u4:3 Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #0
[ 48.818614][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.828844][ T52] Workqueue: loop3 loop_rootcg_workfn
[ 48.834378][ T52] RIP: 0010:iomap_iter+0xd85/0x1110
[ 48.839597][ T52] Code: fd ff ff e8 fd f3 cd ff e9 f9 f9 ff ff e8 83 2e 81 ff 0f 0b e9 87 f8 ff ff e8 77 2e 81 ff 0f 0b e9 98 f7 ff ff e8 6b 2e 81 ff <0f> 0b e9 38 f7 ff ff e8 5f 2e 81 ff 0f 0b e9 64 f7 ff ff e8 53 2e
[ 48.859328][ T52] RSP: 0018:ffffc90000bd7668 EFLAGS: 00010293
[ 48.865495][ T52] RAX: 0000000000000000 RBX: ffffc90000bd7800 RCX: 0000000000000000
[ 48.865531][ T52] RDX: ffff888017a71d80 RSI: ffffffff81f94715 RDI: 0000000000000006
[ 48.865549][ T52] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000
[ 48.865565][ T52] R10: d70e000000000000 R11: 0000000000000002 R12: 0000000000000000
[ 48.865583][ T52] R13: d70e000000000000 R14: ffffc90000bd7828 R15: ffffc90000bd7870
[ 48.865602][ T52] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 48.865629][ T52] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.865647][ T52] CR2: 00000000015c62f8 CR3: 000000002549f000 CR4: 00000000003506e0
[ 48.865665][ T52] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 48.865681][ T52] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 48.865699][ T52] Call Trace:
[ 48.865709][ T52]
[ 48.865731][ T52] __iomap_dio_rw+0x6b6/0x1a80
[ 48.865775][ T52] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 48.865815][ T52] ? iomap_dio_bio_iter+0x1460/0x1460
[ 48.865879][ T52] ? down_read+0x198/0x440
[ 48.865912][ T52] iomap_dio_rw+0x3c/0xa0
[ 48.865941][ T52] ext4_file_read_iter+0x436/0x600
[ 48.865975][ T52] lo_rw_aio.isra.0+0xa54/0xc50
[ 48.866016][ T52] ? loop_validate_file+0x450/0x450
[ 48.866049][ T52] ? rwlock_bug.part.0+0x90/0x90
[ 48.866075][ T52] ? _raw_spin_unlock_irq+0x1f/0x40
[ 48.866103][ T52] ? _raw_spin_unlock_irq+0x1f/0x40
[ 48.866129][ T52] ? kthread_associate_blkcg+0x1ff/0x720
[ 48.866161][ T52] loop_process_work+0x969/0x2050
[ 48.866205][ T52] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 48.866254][ T52] ? loop_queue_rq+0x11f0/0x11f0
[ 48.866285][ T52] ? lock_release+0x780/0x780
[ 48.866314][ T52] ? lock_downgrade+0x6e0/0x6e0
[ 48.866343][ T52] ? lockdep_hardirqs_on+0x79/0x100
[ 48.866370][ T52] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 48.866414][ T52] process_one_work+0x996/0x1610
[ 48.866454][ T52] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 48.866487][ T52] ? rwlock_bug.part.0+0x90/0x90
[ 48.866511][ T52] ? _raw_spin_lock_irq+0x41/0x50
[ 48.866547][ T52] worker_thread+0x665/0x1080
[ 48.866589][ T52] ? process_one_work+0x1610/0x1610
[ 48.866619][ T52] kthread+0x2e9/0x3a0
[ 48.866641][ T52] ? kthread_complete_and_exit+0x40/0x40
[ 48.866670][ T52] ret_from_fork+0x1f/0x30
[ 48.866717][ T52]
[ 48.866729][ T52] Kernel panic - not syncing: panic_on_warn set ...
[ 48.866742][ T52] CPU: 1 PID: 52 Comm: kworker/u4:3 Not tainted 5.19.0-rc3-syzkaller-00027-g78ca55889a54 #0
[ 48.866767][ T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 48.866781][ T52] Workqueue: loop3 loop_rootcg_workfn
[ 48.866807][ T52] Call Trace:
[ 48.866815][ T52]
[ 48.866824][ T52] dump_stack_lvl+0xcd/0x134
[ 48.866851][ T52] panic+0x2d7/0x64a
[ 48.866875][ T52] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 48.866910][ T52] ? __warn.cold+0x1d9/0x2cd
[ 48.866936][ T52] ? iomap_iter+0xd85/0x1110
[ 48.866963][ T52] __warn.cold+0x1ea/0x2cd
[ 48.866987][ T52] ? iomap_iter+0xd85/0x1110
[ 48.867013][ T52] report_bug+0x1bc/0x210
[ 48.867047][ T52] handle_bug+0x3c/0x60
[ 48.867073][ T52] exc_invalid_op+0x14/0x40
[ 48.867101][ T52] asm_exc_invalid_op+0x1b/0x20
[ 48.867125][ T52] RIP: 0010:iomap_iter+0xd85/0x1110
[ 48.867152][ T52] Code: fd ff ff e8 fd f3 cd ff e9 f9 f9 ff ff e8 83 2e 81 ff 0f 0b e9 87 f8 ff ff e8 77 2e 81 ff 0f 0b e9 98 f7 ff ff e8 6b 2e 81 ff <0f> 0b e9 38 f7 ff ff e8 5f 2e 81 ff 0f 0b e9 64 f7 ff ff e8 53 2e
[ 48.867178][ T52] RSP: 0018:ffffc90000bd7668 EFLAGS: 00010293
[ 48.867198][ T52] RAX: 0000000000000000 RBX: ffffc90000bd7800 RCX: 0000000000000000
[ 48.867213][ T52] RDX: ffff888017a71d80 RSI: ffffffff81f94715 RDI: 0000000000000006
[ 48.867229][ T52] RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000
[ 48.867243][ T52] R10: d70e000000000000 R11: 0000000000000002 R12: 0000000000000000
[ 48.867258][ T52] R13: d70e000000000000 R14: ffffc90000bd7828 R15: ffffc90000bd7870
[ 48.867286][ T52] ? iomap_iter+0xd85/0x1110
[ 48.867315][ T52] ? iomap_iter+0xd85/0x1110
[ 48.867348][ T52] __iomap_dio_rw+0x6b6/0x1a80
[ 48.867382][ T52] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 48.867416][ T52] ? iomap_dio_bio_iter+0x1460/0x1460
[ 48.867475][ T52] ? down_read+0x198/0x440
[ 48.867504][ T52] iomap_dio_rw+0x3c/0xa0
[ 48.867529][ T52] ext4_file_read_iter+0x436/0x600
[ 48.867558][ T52] lo_rw_aio.isra.0+0xa54/0xc50
[ 48.867594][ T52] ? loop_validate_file+0x450/0x450
[ 48.867622][ T52] ? rwlock_bug.part.0+0x90/0x90
[ 48.867645][ T52] ? _raw_spin_unlock_irq+0x1f/0x40
[ 48.867669][ T52] ? _raw_spin_unlock_irq+0x1f/0x40
[ 48.867692][ T52] ? kthread_associate_blkcg+0x1ff/0x720
[ 48.867720][ T52] loop_process_work+0x969/0x2050
[ 48.867750][ T52] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 48.867795][ T52] ? loop_queue_rq+0x11f0/0x11f0
[ 48.867823][ T52] ? lock_release+0x780/0x780
[ 48.867850][ T52] ? lock_downgrade+0x6e0/0x6e0
[ 48.867876][ T52] ? lockdep_hardirqs_on+0x79/0x100
[ 48.867898][ T52] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 48.867936][ T52] process_one_work+0x996/0x1610
[ 48.867971][ T52] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 48.868001][ T52] ? rwlock_bug.part.0+0x90/0x90
[ 48.868021][ T52] ? _raw_spin_lock_irq+0x41/0x50
[ 48.868055][ T52] worker_thread+0x665/0x1080
[ 48.868093][ T52] ? process_one_work+0x1610/0x1610
[ 48.868120][ T52] kthread+0x2e9/0x3a0
[ 48.868139][ T52] ? kthread_complete_and_exit+0x40/0x40
[ 48.868166][ T52] ret_from_fork+0x1f/0x30
[ 48.868212][ T52]
[ 49.408852][ T52] Kernel Offset: disabled
[ 49.413209][ T52] Rebooting in 86400 seconds..