[ 9.026918][ T2616] 8021q: adding VLAN 0 to HW filter on device bond0 [ 9.029162][ T2616] eql: remember to turn off Van-Jacobson compression on your slave devices [ 9.055550][ T1174] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.056967][ T6] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.790364][ T3030] loop0: detected capacity change from 0 to 252287 [ 32.793560][ T3030] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 32.796696][ T3030] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 32.798803][ T3030] REISERFS (device loop0): using ordered data mode [ 32.800408][ T3030] reiserfs: using flush barriers [ 32.801974][ T3030] REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 [ 32.806467][ T3030] REISERFS (device loop0): checking transaction log (loop0) [ 32.809639][ T3030] REISERFS (device loop0): Using r5 hash to sort names [ 32.812109][ T3030] reiserfs: enabling write barrier flush mode [ 32.816156][ T3030] REISERFS warning (device loop0): jdm-20006 create_privroot: xattrs/ACLs enabled and couldn't find/create .reiserfs_priv. Failing mount. [ 32.819579][ T3030] [ 32.820135][ T3030] ====================================================== [ 32.821907][ T3030] WARNING: possible circular locking dependency detected [ 32.823671][ T3030] 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0 Not tainted [ 32.825265][ T3030] ------------------------------------------------------ [ 32.827133][ T3030] syz-executor305/3030 is trying to acquire lock: [ 32.828746][ T3030] ffff8000126e50f0 (&journal->j_mutex){+.+.}-{3:3}, at: do_journal_begin_r+0x148/0x598 [ 32.831293][ T3030] [ 32.831293][ T3030] but task is already holding lock: [ 32.833120][ T3030] ffff0000cb639460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write_file+0x28/0xd8 [ 32.835460][ T3030] [ 32.835460][ T3030] which lock already depends on the new lock. [ 32.835460][ T3030] [ 32.838044][ T3030] [ 32.838044][ T3030] the existing dependency chain (in reverse order) is: [ 32.840270][ T3030] [ 32.840270][ T3030] -> #2 (sb_writers#8){.+.+}-{0:0}: [ 32.842102][ T3030] sb_start_write+0x78/0x1e4 [ 32.843376][ T3030] mnt_want_write_file+0x28/0xd8 [ 32.844784][ T3030] reiserfs_ioctl+0x118/0x2a0 [ 32.846081][ T3030] __arm64_sys_ioctl+0xd0/0x140 [ 32.847458][ T3030] el0_svc_common+0x138/0x220 [ 32.848801][ T3030] do_el0_svc+0x48/0x164 [ 32.850020][ T3030] el0_svc+0x58/0x150 [ 32.851170][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 32.852622][ T3030] el0t_64_sync+0x18c/0x190 [ 32.853871][ T3030] [ 32.853871][ T3030] -> #1 (&sbi->lock){+.+.}-{3:3}: [ 32.855682][ T3030] __mutex_lock_common+0xd4/0xca8 [ 32.857057][ T3030] mutex_lock_nested+0x38/0x44 [ 32.858416][ T3030] reiserfs_write_lock_nested+0x44/0x68 [ 32.859926][ T3030] do_journal_begin_r+0x154/0x598 [ 32.861240][ T3030] journal_begin+0x90/0x190 [ 32.862526][ T3030] reiserfs_remount+0x5e4/0x788 [ 32.863903][ T3030] legacy_reconfigure+0x68/0x7c [ 32.865319][ T3030] reconfigure_super+0x1b0/0x33c [ 32.866656][ T3030] path_mount+0x7e4/0x914 [ 32.867839][ T3030] __arm64_sys_mount+0x2c4/0x3c4 [ 32.869149][ T3030] el0_svc_common+0x138/0x220 [ 32.870483][ T3030] do_el0_svc+0x48/0x164 [ 32.871693][ T3030] el0_svc+0x58/0x150 [ 32.872822][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 32.874127][ T3030] el0t_64_sync+0x18c/0x190 [ 32.875365][ T3030] [ 32.875365][ T3030] -> #0 (&journal->j_mutex){+.+.}-{3:3}: [ 32.877260][ T3030] __lock_acquire+0x1530/0x30a4 [ 32.878609][ T3030] lock_acquire+0x100/0x1f8 [ 32.879916][ T3030] __mutex_lock_common+0xd4/0xca8 [ 32.881364][ T3030] mutex_lock_nested+0x38/0x44 [ 32.882628][ T3030] do_journal_begin_r+0x148/0x598 [ 32.883970][ T3030] journal_begin+0x90/0x190 [ 32.885209][ T3030] reiserfs_dirty_inode+0x6c/0x108 [ 32.886614][ T3030] __mark_inode_dirty+0x74/0x348 [ 32.887914][ T3030] reiserfs_ioctl+0x270/0x2a0 [ 32.889240][ T3030] __arm64_sys_ioctl+0xd0/0x140 [ 32.890545][ T3030] el0_svc_common+0x138/0x220 [ 32.891866][ T3030] do_el0_svc+0x48/0x164 [ 32.893049][ T3030] el0_svc+0x58/0x150 [ 32.894139][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 32.895499][ T3030] el0t_64_sync+0x18c/0x190 [ 32.896733][ T3030] [ 32.896733][ T3030] other info that might help us debug this: [ 32.896733][ T3030] [ 32.899294][ T3030] Chain exists of: [ 32.899294][ T3030] &journal->j_mutex --> &sbi->lock --> sb_writers#8 [ 32.899294][ T3030] [ 32.902463][ T3030] Possible unsafe locking scenario: [ 32.902463][ T3030] [ 32.904327][ T3030] CPU0 CPU1 [ 32.905662][ T3030] ---- ---- [ 32.907003][ T3030] lock(sb_writers#8); [ 32.908042][ T3030] lock(&sbi->lock); [ 32.909637][ T3030] lock(sb_writers#8); [ 32.911362][ T3030] lock(&journal->j_mutex); [ 32.912545][ T3030] [ 32.912545][ T3030] *** DEADLOCK *** [ 32.912545][ T3030] [ 32.914576][ T3030] 1 lock held by syz-executor305/3030: [ 32.915979][ T3030] #0: ffff0000cb639460 (sb_writers#8){.+.+}-{0:0}, at: mnt_want_write_file+0x28/0xd8 [ 32.918462][ T3030] [ 32.918462][ T3030] stack backtrace: [ 32.920019][ T3030] CPU: 1 PID: 3030 Comm: syz-executor305 Not tainted 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0 [ 32.922589][ T3030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 32.925191][ T3030] Call trace: [ 32.926016][ T3030] dump_backtrace+0x1c4/0x1f0 [ 32.927225][ T3030] show_stack+0x2c/0x54 [ 32.928230][ T3030] dump_stack_lvl+0x104/0x16c [ 32.929453][ T3030] dump_stack+0x1c/0x58 [ 32.930480][ T3030] print_circular_bug+0x2c4/0x2c8 [ 32.931690][ T3030] check_noncircular+0x14c/0x154 [ 32.932928][ T3030] __lock_acquire+0x1530/0x30a4 [ 32.934117][ T3030] lock_acquire+0x100/0x1f8 [ 32.935240][ T3030] __mutex_lock_common+0xd4/0xca8 [ 32.936480][ T3030] mutex_lock_nested+0x38/0x44 [ 32.937665][ T3030] do_journal_begin_r+0x148/0x598 [ 32.938910][ T3030] journal_begin+0x90/0x190 [ 32.940026][ T3030] reiserfs_dirty_inode+0x6c/0x108 [ 32.941354][ T3030] __mark_inode_dirty+0x74/0x348 [ 32.942581][ T3030] reiserfs_ioctl+0x270/0x2a0 [ 32.943786][ T3030] __arm64_sys_ioctl+0xd0/0x140 [ 32.945079][ T3030] el0_svc_common+0x138/0x220 [ 32.946250][ T3030] do_el0_svc+0x48/0x164 [ 32.947325][ T3030] el0_svc+0x58/0x150 [ 32.948318][ T3030] el0t_64_sync_handler+0x84/0xf0 [ 32.949568][ T3030] el0t_64_sync+0x18c/0x190