Warning: Permanently added '10.128.1.114' (ED25519) to the list of known hosts. executing program executing program [ 54.759510][ T3528] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 54.761177][ T3529] syz-executor266[3529]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 1 (core 0, socket 0) [ 54.787002][ T3531] syz-executor266[3531]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 1 (core 0, socket 0) [ 54.800249][ T3529] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 54.809292][ T3531] Code: Unable to access opcode bytes at 0xffffffffffffffd6. executing program executing program executing program [ 54.907512][ T3539] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 54.909945][ T3542] syz-executor266[3542]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 0 (core 0, socket 0) [ 54.926968][ T3543] syz-executor266[3543]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 [ 54.938545][ T3542] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 54.939691][ T3545] syz-executor266[3545]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 [ 54.949146][ T3543] likely on CPU 1 (core 0, socket 0) [ 54.975641][ T3545] likely on CPU 1 (core 0, socket 0) [ 54.975666][ T3545] Code: Unable to access opcode bytes at 0xffffffffffffffd6. executing program [ 55.018734][ T3543] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 55.045828][ T3533] syz-executor266[3533]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 0 (core 0, socket 0) [ 55.055886][ T3546] syz-executor266[3546]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 55.063384][ T3532] syz-executor266[3532]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 [ 55.085747][ T3547] syz-executor266[3547]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 [ 55.096485][ T3548] syz-executor266[3548]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 [ 55.097135][ T3551] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 55.117518][ T3540] EXT4-fs (sda1): re-mounted. Quota mode: none. [ 55.136490][ T3547] in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 55.143190][ T3532] in syz-executor2661339172[7f9b6505d000+8d000] [ 55.149346][ T3548] in syz-executor2661339172[7f9b6505d000+8d000] [ 55.158783][ T3533] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 55.170126][ T3552] EXT4-fs (sda1): re-mounted. Quota mode: none. [ 55.187896][ T3532] likely on CPU 0 (core 0, socket 0) [ 55.194958][ T3548] likely on CPU 1 (core 0, socket 0) [ 55.195654][ T3532] [ 55.205750][ T3547] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 55.209791][ T3546] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 55.248734][ T3532] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 55.252213][ T3548] [ 55.277241][ T3548] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f executing program [ 55.460950][ T3558] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 56.711121][ T3553] syz-executor266 (3553) used greatest stack depth: 17936 bytes left executing program executing program executing program [ 57.787322][ T3563] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow executing program executing program [ 57.916091][ T3570] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow executing program [ 58.051894][ T3574] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 58.159281][ T3582] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 61.857193][ T3583] [ 61.868818][ T3583] ====================================================== [ 61.875829][ T3583] WARNING: possible circular locking dependency detected [ 61.882965][ T3583] 6.1.45-syzkaller #0 Not tainted [ 61.888059][ T3583] ------------------------------------------------------ [ 61.895072][ T3583] syz-executor266/3583 is trying to acquire lock: [ 61.901492][ T3583] ffff88807f7523f8 (&journal->j_checkpoint_mutex){+.+.}-{3:3}, at: __jbd2_log_wait_for_space+0x213/0x760 [ 61.912747][ T3583] [ 61.912747][ T3583] but task is already holding lock: [ 61.920198][ T3583] ffff88807092ca38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xaf/0x3a0 [ 61.931083][ T3583] [ 61.931083][ T3583] which lock already depends on the new lock. [ 61.931083][ T3583] [ 61.941473][ T3583] [ 61.941473][ T3583] the existing dependency chain (in reverse order) is: [ 61.950476][ T3583] [ 61.950476][ T3583] -> #1 (&sb->s_type->i_mutex_key#8){++++}-{3:3}: [ 61.959068][ T3583] lock_acquire+0x1f8/0x5a0 [ 61.964083][ T3583] down_read+0x43/0x2e0 [ 61.968765][ T3583] ext4_bmap+0x4b/0x410 [ 61.973433][ T3583] bmap+0xa1/0xd0 [ 61.977672][ T3583] jbd2_journal_flush+0x5b5/0xc40 [ 61.983208][ T3583] ext4_ioctl+0x3986/0x5f60 [ 61.988310][ T3583] __se_sys_ioctl+0xf1/0x160 [ 61.993411][ T3583] do_syscall_64+0x3d/0xb0 [ 61.998345][ T3583] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.004754][ T3583] [ 62.004754][ T3583] -> #0 (&journal->j_checkpoint_mutex){+.+.}-{3:3}: [ 62.013520][ T3583] validate_chain+0x1667/0x58e0 [ 62.018886][ T3583] __lock_acquire+0x125b/0x1f80 [ 62.024248][ T3583] lock_acquire+0x1f8/0x5a0 [ 62.029255][ T3583] __mutex_lock_common+0x1d4/0x2520 [ 62.034968][ T3583] mutex_lock_io_nested+0x43/0x60 [ 62.040500][ T3583] __jbd2_log_wait_for_space+0x213/0x760 [ 62.046654][ T3583] add_transaction_credits+0x94c/0xc00 [ 62.052635][ T3583] start_this_handle+0x747/0x1640 [ 62.058175][ T3583] jbd2__journal_start+0x2d1/0x5c0 [ 62.063800][ T3583] __ext4_journal_start_sb+0x19b/0x410 [ 62.069821][ T3583] ext4_dirty_inode+0x8b/0x100 [ 62.075116][ T3583] __mark_inode_dirty+0x331/0xf80 [ 62.080756][ T3583] __file_update_time+0x221/0x240 [ 62.086302][ T3583] file_modified_flags+0x3e1/0x480 [ 62.091936][ T3583] ext4_write_checks+0x24a/0x2c0 [ 62.097396][ T3583] ext4_buffered_write_iter+0xbd/0x3a0 [ 62.103362][ T3583] ext4_file_write_iter+0x1d2/0x18f0 [ 62.109155][ T3583] __kernel_write_iter+0x2ff/0x710 [ 62.114778][ T3583] dump_user_range+0x43d/0x8e0 [ 62.120054][ T3583] elf_core_dump+0x3cff/0x45b0 [ 62.125322][ T3583] do_coredump+0x18b7/0x2700 [ 62.130419][ T3583] get_signal+0x1454/0x17d0 [ 62.135427][ T3583] arch_do_signal_or_restart+0xb0/0x1a10 [ 62.141572][ T3583] exit_to_user_mode_loop+0x6a/0x100 [ 62.147368][ T3583] exit_to_user_mode_prepare+0xb1/0x140 [ 62.153430][ T3583] irqentry_exit_to_user_mode+0x5/0x30 [ 62.159399][ T3583] exc_page_fault+0x1c0/0x660 [ 62.164587][ T3583] asm_exc_page_fault+0x22/0x30 [ 62.170051][ T3583] [ 62.170051][ T3583] other info that might help us debug this: [ 62.170051][ T3583] [ 62.180266][ T3583] Possible unsafe locking scenario: [ 62.180266][ T3583] [ 62.187700][ T3583] CPU0 CPU1 [ 62.193054][ T3583] ---- ---- [ 62.198401][ T3583] lock(&sb->s_type->i_mutex_key#8); [ 62.203765][ T3583] lock(&journal->j_checkpoint_mutex); [ 62.211818][ T3583] lock(&sb->s_type->i_mutex_key#8); [ 62.219707][ T3583] lock(&journal->j_checkpoint_mutex); [ 62.225240][ T3583] [ 62.225240][ T3583] *** DEADLOCK *** [ 62.225240][ T3583] [ 62.233365][ T3583] 2 locks held by syz-executor266/3583: [ 62.238898][ T3583] #0: ffff88807f74e460 (sb_writers#4){.+.+}-{0:0}, at: do_coredump+0x1892/0x2700 [ 62.248117][ T3583] #1: ffff88807092ca38 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_buffered_write_iter+0xaf/0x3a0 [ 62.259505][ T3583] [ 62.259505][ T3583] stack backtrace: [ 62.265389][ T3583] CPU: 0 PID: 3583 Comm: syz-executor266 Not tainted 6.1.45-syzkaller #0 [ 62.273809][ T3583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 62.283852][ T3583] Call Trace: [ 62.287122][ T3583] [ 62.290044][ T3583] dump_stack_lvl+0x1e3/0x2cb [ 62.294720][ T3583] ? nf_tcp_handle_invalid+0x642/0x642 [ 62.300173][ T3583] ? print_circular_bug+0x12b/0x1a0 [ 62.305365][ T3583] check_noncircular+0x2fa/0x3b0 [ 62.310292][ T3583] ? add_chain_block+0x850/0x850 [ 62.315740][ T3583] ? lockdep_lock+0x11f/0x2a0 [ 62.320403][ T3583] ? blk_mq_dispatch_rq_list+0x1fb3/0x23c0 [ 62.326202][ T3583] ? _find_first_zero_bit+0xd0/0x100 [ 62.331475][ T3583] validate_chain+0x1667/0x58e0 [ 62.336311][ T3583] ? reacquire_held_locks+0x660/0x660 [ 62.341673][ T3583] ? validate_chain+0x115/0x58e0 [ 62.346598][ T3583] ? reacquire_held_locks+0x660/0x660 [ 62.351961][ T3583] ? validate_chain+0x115/0x58e0 [ 62.356892][ T3583] ? mark_lock+0x9a/0x340 [ 62.361208][ T3583] ? __lock_acquire+0x125b/0x1f80 [ 62.366219][ T3583] ? validate_chain+0x115/0x58e0 [ 62.371145][ T3583] ? mark_lock+0x9a/0x340 [ 62.375496][ T3583] __lock_acquire+0x125b/0x1f80 [ 62.381485][ T3583] lock_acquire+0x1f8/0x5a0 [ 62.385989][ T3583] ? __jbd2_log_wait_for_space+0x213/0x760 [ 62.391887][ T3583] ? read_lock_is_recursive+0x10/0x10 [ 62.397249][ T3583] ? reacquire_held_locks+0x660/0x660 [ 62.402614][ T3583] ? __might_sleep+0xb0/0xb0 [ 62.407190][ T3583] ? validate_chain+0x115/0x58e0 [ 62.412291][ T3583] __mutex_lock_common+0x1d4/0x2520 [ 62.417476][ T3583] ? __jbd2_log_wait_for_space+0x213/0x760 [ 62.423292][ T3583] ? __jbd2_log_wait_for_space+0x213/0x760 [ 62.429095][ T3583] ? __jbd2_log_wait_for_space+0x207/0x760 [ 62.434896][ T3583] ? mutex_lock_io_nested+0x60/0x60 [ 62.440087][ T3583] mutex_lock_io_nested+0x43/0x60 [ 62.445100][ T3583] __jbd2_log_wait_for_space+0x213/0x760 [ 62.450723][ T3583] ? do_raw_write_lock+0x143/0x4e0 [ 62.455829][ T3583] ? jbd2_commit_block_csum_verify+0x4f0/0x4f0 [ 62.461972][ T3583] ? do_raw_read_unlock+0x70/0x70 [ 62.466989][ T3583] add_transaction_credits+0x94c/0xc00 [ 62.472448][ T3583] ? jbd2_journal_begin_ordered_truncate+0x150/0x150 [ 62.479199][ T3583] ? __lock_acquire+0x1f80/0x1f80 [ 62.484216][ T3583] ? do_raw_read_unlock+0x70/0x70 [ 62.489319][ T3583] start_this_handle+0x747/0x1640 [ 62.494621][ T3583] ? jbd2__journal_start+0x5c0/0x5c0 [ 62.499908][ T3583] ? __kasan_slab_alloc+0x65/0x70 [ 62.504926][ T3583] ? slab_post_alloc_hook+0x6f/0x370 [ 62.510222][ T3583] ? rcu_is_watching+0x11/0xb0 [ 62.515006][ T3583] ? jbd2__journal_start+0x144/0x5c0 [ 62.520289][ T3583] jbd2__journal_start+0x2d1/0x5c0 [ 62.525415][ T3583] __ext4_journal_start_sb+0x19b/0x410 [ 62.530863][ T3583] ext4_dirty_inode+0x8b/0x100 [ 62.535611][ T3583] ? __ext4_expand_extra_isize+0x3d0/0x3d0 [ 62.541400][ T3583] __mark_inode_dirty+0x331/0xf80 [ 62.546413][ T3583] __file_update_time+0x221/0x240 [ 62.551432][ T3583] file_modified_flags+0x3e1/0x480 [ 62.556531][ T3583] ? file_modified+0x20/0x20 [ 62.561100][ T3583] ? rwsem_write_trylock+0x166/0x210 [ 62.566376][ T3583] ? clear_nonspinnable+0x60/0x60 [ 62.571405][ T3583] ext4_write_checks+0x24a/0x2c0 [ 62.576450][ T3583] ext4_buffered_write_iter+0xbd/0x3a0 [ 62.581917][ T3583] ext4_file_write_iter+0x1d2/0x18f0 [ 62.587216][ T3583] ? get_dump_page+0x5ea/0x8a0 [ 62.592008][ T3583] ? __lock_acquire+0x1f80/0x1f80 [ 62.597029][ T3583] ? ext4_file_read_iter+0x660/0x660 [ 62.602311][ T3583] ? __up_read+0x2b9/0x690 [ 62.606717][ T3583] ? up_read+0x20/0x20 [ 62.610782][ T3583] ? get_dump_page+0x11a/0x8a0 [ 62.615536][ T3583] __kernel_write_iter+0x2ff/0x710 [ 62.620639][ T3583] ? vfs_read+0xbe0/0xbe0 [ 62.624957][ T3583] ? iov_iter_bvec+0x4a/0x1b0 [ 62.629620][ T3583] dump_user_range+0x43d/0x8e0 [ 62.634378][ T3583] ? dump_skip+0x40/0x40 [ 62.638613][ T3583] ? writenote+0x24c/0x3b0 [ 62.643022][ T3583] ? dump_emit+0x95/0xc0 [ 62.647254][ T3583] elf_core_dump+0x3cff/0x45b0 [ 62.652018][ T3583] ? load_elf_binary+0x2750/0x2750 [ 62.657116][ T3583] ? mark_lock+0x9a/0x340 [ 62.661433][ T3583] ? __lock_acquire+0x125b/0x1f80 [ 62.666561][ T3583] ? rcu_read_lock_any_held+0xb3/0x160 [ 62.672011][ T3583] ? 0xffffffffff600000 [ 62.676150][ T3583] ? getname_kernel+0x55/0x2d0 [ 62.680937][ T3583] do_coredump+0x18b7/0x2700 [ 62.685528][ T3583] ? nfs_ssc_unregister+0x30/0x30 [ 62.690555][ T3583] ? do_raw_spin_unlock+0x137/0x8a0 [ 62.695747][ T3583] ? _raw_spin_unlock_irq+0x1f/0x40 [ 62.700934][ T3583] ? lockdep_hardirqs_on+0x94/0x130 [ 62.706124][ T3583] get_signal+0x1454/0x17d0 [ 62.710624][ T3583] ? ptrace_notify+0x370/0x370 [ 62.715372][ T3583] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 62.721261][ T3583] ? _raw_spin_unlock+0x40/0x40 [ 62.726098][ T3583] ? __send_signal_locked+0xb06/0xd80 [ 62.731466][ T3583] ? send_signal_locked+0x7cb/0x8c0 [ 62.736661][ T3583] arch_do_signal_or_restart+0xb0/0x1a10 [ 62.742284][ T3583] ? force_sig_info_to_task+0x34a/0x470 [ 62.747833][ T3583] ? force_sig_fault+0x127/0x1d0 [ 62.752764][ T3583] ? force_sig_fault_to_task+0x1c0/0x1c0 [ 62.758392][ T3583] ? get_sigframe_size+0x10/0x10 [ 62.763325][ T3583] ? exit_to_user_mode_loop+0x39/0x100 [ 62.768776][ T3583] exit_to_user_mode_loop+0x6a/0x100 [ 62.774051][ T3583] exit_to_user_mode_prepare+0xb1/0x140 [ 62.779589][ T3583] irqentry_exit_to_user_mode+0x5/0x30 [ 62.785040][ T3583] exc_page_fault+0x1c0/0x660 [ 62.789711][ T3583] asm_exc_page_fault+0x22/0x30 [ 62.794554][ T3583] RIP: 0033:0x0 [ 62.798016][ T3583] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 62.805384][ T3583] RSP: 002b:0000000020000448 EFLAGS: 00010217 [ 62.811446][ T3583] RAX: 0000000000000000 RBX: 00007f9b6511d3c8 RCX: 00007f9b65095e79 [ 62.819432][ T3583] RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000000080400 [ 62.827427][ T3583] RBP: 00007f9b6511d3c0 R08: 0000000000000000 R09: 00007f9b650536c0 [ 62.835479][ T3583] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9b650ea198 [ 62.843465][ T3583] R13: 00007f9b6511d3cc R14: 0030656c69662f2e R15: 00007fff488d9798 [ 62.851438][ T3583] executing program executing program executing program [ 63.152122][ T3590] show_signal_msg: 16 callbacks suppressed [ 63.152138][ T3590] syz-executor266[3590]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 1 (core 0, socket 0) [ 63.164463][ T3592] syz-executor266[3592]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 0 (core 0, socket 0) [ 63.173336][ T3590] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 63.186041][ T3592] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 63.205052][ T3595] syz-executor266[3595]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 0 (core 0, socket 0) [ 63.219452][ T3591] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 63.219546][ T3595] Code: Unable to access opcode bytes at 0xffffffffffffffd6. executing program [ 63.222054][ T3594] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 63.308450][ T3593] syz-executor266[3593]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 [ 63.319214][ T3600] syz-executor266[3600]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 [ 63.319242][ T3593] in syz-executor2661339172[7f9b6505d000+8d000] [ 63.329043][ T3600] likely on CPU 0 (core 0, socket 0) [ 63.340068][ T3593] likely on CPU 1 (core 0, socket 0) [ 63.346444][ T3600] [ 63.351642][ T3593] [ 63.357578][ T3598] syz-executor266[3598]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 [ 63.359558][ T3593] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 63.360795][ T3598] in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 0 (core 0, socket 0) [ 63.360832][ T3598] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 63.365757][ T3594] EXT4-fs: error -4 creating inode table initialization thread [ 63.379346][ T3600] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 63.393881][ T3597] syz-executor266[3597]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 [ 63.422104][ T3603] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow executing program [ 63.444234][ T3594] EXT4-fs (sda1): re-mounted. Quota mode: none. [ 63.444648][ T3597] in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 0 (core 0, socket 0) [ 63.469847][ T3597] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 63.494004][ T3606] syz-executor266[3606]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 1 (core 0, socket 0) [ 63.507029][ T3606] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 63.543421][ T3599] syz-executor266[3599]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65053108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 63.560832][ T3605] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 63.560867][ T3599] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f executing program [ 63.631253][ T3607] syz-executor266[3607]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 63.648764][ T3607] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 63.649227][ T3605] EXT4-fs (sda1): re-mounted. Quota mode: none. executing program executing program [ 63.724597][ T3610] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 68.171201][ T3615] show_signal_msg: 2 callbacks suppressed [ 68.171216][ T3615] syz-executor266[3615]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 0 (core 0, socket 0) [ 68.203305][ T3614] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow executing program [ 68.210836][ T3618] syz-executor266[3618]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 [ 68.221256][ T3615] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 68.238565][ T3618] likely on CPU 1 (core 0, socket 0) [ 68.244043][ T3618] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 68.295294][ T3623] syz-executor266[3623]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 1 (core 0, socket 0) [ 68.309106][ T3623] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 68.312038][ T3614] EXT4-fs (sda1): re-mounted. Quota mode: none. [ 68.323438][ T3620] syz-executor266[3620]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 68.324488][ T3622] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 68.340826][ T3620] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f executing program [ 68.412006][ T3621] syz-executor266[3621]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 68.414327][ T3629] syz-executor266[3629]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 0 (core 0, socket 0) [ 68.430244][ T3621] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 68.442599][ T3629] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 68.469032][ T3627] syz-executor266[3627]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 68.470599][ T3628] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 68.487286][ T3627] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f executing program [ 68.551220][ T3630] syz-executor266[3630]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65032108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 0 (core 0, socket 0) [ 68.568559][ T3630] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 68.593256][ T3628] EXT4-fs (sda1): re-mounted. Quota mode: none. [ 68.606529][ T3633] syz-executor266[3633]: segfault at 0 ip 0000000000000000 sp 0000000020000448 error 14 likely on CPU 0 (core 0, socket 0) [ 68.620815][ T3633] Code: Unable to access opcode bytes at 0xffffffffffffffd6. executing program [ 68.629819][ T3632] warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow [ 68.675886][ T3632] syz-executor266[3632]: segfault at 0 ip 00007f9b6508fe5e sp 00007f9b65053108 error 4 in syz-executor2661339172[7f9b6505d000+8d000] likely on CPU 1 (core 0, socket 0) [ 68.703111][ T3632] Code: fd d7 c9 0f bc d1 c5 fe 7f 27 c5 fe 7f 6f 20 c5 fe 7f 77 40 c5 fe 7f 7f 60 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 d2 04 00 00 fe 6f 1e c5 fe 6f 56 20 c5 fd 74 cb c5 fd d7 d1 49 83 f8 21 0f [ 68.726073][ T3636] EXT4-fs (sda1): re-mounted. Quota mode: none.