RBP: 00007fcbb5c091d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 batman_adv: batadv0: Interface activated: batadv_slave_0 R13: 00007ffcf1b9721f R14: 00007fcbb5c09300 R15: 0000000000022000 ====================================================== WARNING: possible circular locking dependency detected 4.14.290-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.5/9376 is trying to acquire lock: ("dio/%s"sb->s_id){+.+.}, at: [] flush_workqueue+0xcb/0x1310 kernel/workqueue.c:2622 but task is already holding lock: (&sb->s_type->i_mutex_key#10){+.+.}, at: [] inode_trylock include/linux/fs.h:739 [inline] (&sb->s_type->i_mutex_key#10){+.+.}, at: [] ext4_file_write_iter+0x1cc/0xd20 fs/ext4/file.c:236 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&sb->s_type->i_mutex_key#10){+.+.}: down_write+0x34/0x90 kernel/locking/rwsem.c:54 inode_lock include/linux/fs.h:719 [inline] __generic_file_fsync+0x9e/0x190 fs/libfs.c:989 ext4_sync_file+0x8ed/0x12c0 fs/ext4/fsync.c:118 vfs_fsync_range+0x103/0x260 fs/sync.c:196 generic_write_sync include/linux/fs.h:2684 [inline] dio_complete+0x561/0x8d0 fs/direct-io.c:330 process_one_work+0x793/0x14a0 kernel/workqueue.c:2117 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #1 ((&dio->complete_work)){+.+.}: process_one_work+0x736/0x14a0 kernel/workqueue.c:2093 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #0 ("dio/%s"sb->s_id){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_workqueue+0xfa/0x1310 kernel/workqueue.c:2625 drain_workqueue+0x177/0x3e0 kernel/workqueue.c:2790 destroy_workqueue+0x71/0x710 kernel/workqueue.c:4116 sb_init_dio_done_wq+0x61/0x80 fs/direct-io.c:635 do_blockdev_direct_IO fs/direct-io.c:1287 [inline] __blockdev_direct_IO+0x3df1/0xdcb0 fs/direct-io.c:1423 ext4_direct_IO_write fs/ext4/inode.c:3749 [inline] ext4_direct_IO+0x888/0x1b80 fs/ext4/inode.c:3890 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2958 __generic_file_write_iter+0x2a2/0x590 mm/filemap.c:3137 ext4_file_write_iter+0x276/0xd20 fs/ext4/file.c:270 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Chain exists of: "dio/%s"sb->s_id --> (&dio->complete_work) --> &sb->s_type->i_mutex_key#10 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sb->s_type->i_mutex_key#10); lock((&dio->complete_work)); lock(&sb->s_type->i_mutex_key#10); lock("dio/%s"sb->s_id); *** DEADLOCK *** 2 locks held by syz-executor.5/9376: #0: (sb_writers#3){.+.+}, at: [] file_start_write include/linux/fs.h:2714 [inline] #0: (sb_writers#3){.+.+}, at: [] aio_write+0x408/0x560 fs/aio.c:1552 #1: (&sb->s_type->i_mutex_key#10){+.+.}, at: [] inode_trylock include/linux/fs.h:739 [inline] #1: (&sb->s_type->i_mutex_key#10){+.+.}, at: [] ext4_file_write_iter+0x1cc/0xd20 fs/ext4/file.c:236 stack backtrace: CPU: 1 PID: 9376 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_workqueue+0xfa/0x1310 kernel/workqueue.c:2625 drain_workqueue+0x177/0x3e0 kernel/workqueue.c:2790 destroy_workqueue+0x71/0x710 kernel/workqueue.c:4116 sb_init_dio_done_wq+0x61/0x80 fs/direct-io.c:635 do_blockdev_direct_IO fs/direct-io.c:1287 [inline] __blockdev_direct_IO+0x3df1/0xdcb0 fs/direct-io.c:1423 ext4_direct_IO_write fs/ext4/inode.c:3749 [inline] ext4_direct_IO+0x888/0x1b80 fs/ext4/inode.c:3890 generic_file_direct_write+0x1df/0x420 mm/filemap.c:2958 __generic_file_write_iter+0x2a2/0x590 mm/filemap.c:3137 ext4_file_write_iter+0x276/0xd20 fs/ext4/file.c:270 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd21955d279 RSP: 002b:00007fd218cd2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fd21966ff80 RCX: 00007fd21955d279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fd21964b000 RBP: 00007fd218cd21d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4c0f4c1f R14: 00007fd218cd2300 R15: 0000000000022000 device veth0_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 CPU: 0 PID: 9392 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 batman_adv: batadv0: Interface activated: batadv_slave_1 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 device veth1_vlan entered promiscuous mode call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 Bluetooth: hci2 command 0x0419 tx timeout entry_SYSCALL_64_after_hwframe+0x46/0xbb Bluetooth: hci1 command 0x0419 tx timeout RIP: 0033:0x7f1e72c19279 RSP: 002b:00007f1e7238e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f1e72d2bf80 RCX: 00007f1e72c19279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f1e72d07000 Bluetooth: hci5 command 0x0419 tx timeout RBP: 00007f1e7238e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcd64b0a1f R14: 00007f1e7238e300 R15: 0000000000022000 Bluetooth: hci3 command 0x0419 tx timeout device veth1_macvtap entered promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 Bluetooth: hci0 command 0x0419 tx timeout IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready CPU: 1 PID: 9411 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd21955d279 IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready RSP: 002b:00007fd218c90168 EFLAGS: 00000246 IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fd219670120 RCX: 00007fd21955d279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fd21964b000 RBP: 00007fd218c901d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready R13: 00007fff4c0f4c1f R14: 00007fd218c90300 R15: 0000000000022000 Bluetooth: hci4 command 0x0419 tx timeout CPU: 0 PID: 9413 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcbb64b5279 RSP: 002b:00007fcbb5c09168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fcbb65c8050 RCX: 00007fcbb64b5279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fcbb65a3000 RBP: 00007fcbb5c091d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcf1b9721f R14: 00007fcbb5c09300 R15: 0000000000022000 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready CPU: 0 PID: 9422 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd21955d279 RSP: 002b:00007fd218cd2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fd21966ff80 RCX: 00007fd21955d279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fd21964b000 RBP: 00007fd218cd21d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4c0f4c1f R14: 00007fd218cd2300 R15: 0000000000022000 CPU: 1 PID: 9421 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f1e72c19279 RSP: 002b:00007f1e7238e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f1e72d2bf80 RCX: 00007f1e72c19279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f1e72d07000 RBP: 00007f1e7238e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcd64b0a1f R14: 00007f1e7238e300 R15: 0000000000022000 CPU: 0 PID: 9439 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcbb64b5279 RSP: 002b:00007fcbb5c09168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fcbb65c8050 RCX: 00007fcbb64b5279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fcbb65a3000 RBP: 00007fcbb5c091d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcf1b9721f R14: 00007fcbb5c09300 R15: 0000000000022000 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! CPU: 1 PID: 9456 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f1e72c19279 RSP: 002b:00007f1e7238e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f1e72d2bf80 RCX: 00007f1e72c19279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f1e72d07000 RBP: 00007f1e7238e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcd64b0a1f R14: 00007f1e7238e300 R15: 0000000000022000 CPU: 0 PID: 9459 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd21955d279 RSP: 002b:00007fd218cd2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fd21966ff80 RCX: 00007fd21955d279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fd21964b000 RBP: 00007fd218cd21d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4c0f4c1f R14: 00007fd218cd2300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9516 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fbe7ad3a279 RSP: 002b:00007fbe7a4af168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fbe7ae4cf80 RCX: 00007fbe7ad3a279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fbe7ae28000 RBP: 00007fbe7a4af1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe84b3feef R14: 00007fbe7a4af300 R15: 0000000000022000 CPU: 1 PID: 9520 Comm: syz-executor.3 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7ff5bd315279 RSP: 002b:00007ff5bca8a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007ff5bd427f80 RCX: 00007ff5bd315279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007ff5bd403000 RBP: 00007ff5bca8a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffebb90a65f R14: 00007ff5bca8a300 R15: 0000000000022000 CPU: 0 PID: 9540 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f47deab9279 RSP: 002b:00007f47de20d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f47debcc050 RCX: 00007f47deab9279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f47deba7000 RBP: 00007f47de20d1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff77fad96f R14: 00007f47de20d300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9543 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcbb64b5279 RSP: 002b:00007fcbb5c2a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fcbb65c7f80 RCX: 00007fcbb64b5279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fcbb65a3000 RBP: 00007fcbb5c2a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcf1b9721f R14: 00007fcbb5c2a300 R15: 0000000000022000 CPU: 1 PID: 9572 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fbe7ad3a279 RSP: 002b:00007fbe7a48e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fbe7ae4d050 RCX: 00007fbe7ad3a279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fbe7ae28000 RBP: 00007fbe7a48e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe84b3feef R14: 00007fbe7a48e300 R15: 0000000000022000 CPU: 0 PID: 9561 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f47deab9279 RSP: 002b:00007f47de22e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f47debcbf80 RCX: 00007f47deab9279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f47deba7000 RBP: 00007f47de22e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff77fad96f R14: 00007f47de22e300 R15: 0000000000022000 CPU: 1 PID: 9574 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd21955d279 RSP: 002b:00007fd218cb1168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fd219670050 RCX: 00007fd21955d279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fd21964b000 RBP: 00007fd218cb11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4c0f4c1f R14: 00007fd218cb1300 R15: 0000000000022000 CPU: 0 PID: 9560 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f1e72c19279 RSP: 002b:00007f1e7238e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f1e72d2bf80 RCX: 00007f1e72c19279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f1e72d07000 RBP: 00007f1e7238e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcd64b0a1f R14: 00007f1e7238e300 R15: 0000000000022000 CPU: 1 PID: 9548 Comm: syz-executor.3 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7ff5bd315279 RSP: 002b:00007ff5bca8a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007ff5bd427f80 RCX: 00007ff5bd315279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007ff5bd403000 RBP: 00007ff5bca8a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffebb90a65f R14: 00007ff5bca8a300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9589 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f1e72c19279 RSP: 002b:00007f1e7238e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f1e72d2bf80 RCX: 00007f1e72c19279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f1e72d07000 RBP: 00007f1e7238e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcd64b0a1f R14: 00007f1e7238e300 R15: 0000000000022000 CPU: 1 PID: 9585 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcbb64b5279 RSP: 002b:00007fcbb5c2a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fcbb65c7f80 RCX: 00007fcbb64b5279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fcbb65a3000 RBP: 00007fcbb5c2a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcf1b9721f R14: 00007fcbb5c2a300 R15: 0000000000022000 CPU: 0 PID: 9599 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f47deab9279 RSP: 002b:00007f47de22e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f47debcbf80 RCX: 00007f47deab9279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f47deba7000 RBP: 00007f47de22e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff77fad96f R14: 00007f47de22e300 R15: 0000000000022000 CPU: 1 PID: 9594 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd21955d279 RSP: 002b:00007fd218cd2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fd21966ff80 RCX: 00007fd21955d279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fd21964b000 RBP: 00007fd218cd21d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4c0f4c1f R14: 00007fd218cd2300 R15: 0000000000022000 CPU: 0 PID: 9608 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fbe7ad3a279 RSP: 002b:00007fbe7a4af168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fbe7ae4cf80 RCX: 00007fbe7ad3a279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fbe7ae28000 RBP: 00007fbe7a4af1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe84b3feef R14: 00007fbe7a4af300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9641 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fcbb64b5279 RSP: 002b:00007fcbb5c2a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fcbb65c7f80 RCX: 00007fcbb64b5279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fcbb65a3000 RBP: 00007fcbb5c2a1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcf1b9721f R14: 00007fcbb5c2a300 R15: 0000000000022000 CPU: 1 PID: 9636 Comm: syz-executor.5 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2898 [inline] prepare_alloc_pages mm/page_alloc.c:4131 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4179 __alloc_pages include/linux/gfp.h:484 [inline] __alloc_pages_node include/linux/gfp.h:497 [inline] kmem_getpages mm/slab.c:1419 [inline] cache_grow_begin+0x91/0x700 mm/slab.c:2676 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 cache_alloc_refill+0x273/0x350 mm/slab.c:3043 ____cache_alloc mm/slab.c:3125 [inline] __do_cache_alloc mm/slab.c:3347 [inline] slab_alloc mm/slab.c:3382 [inline] kmem_cache_alloc+0x333/0x3c0 mm/slab.c:3550 aio_get_req fs/aio.c:1049 [inline] io_submit_one fs/aio.c:1589 [inline] do_io_submit+0x28e/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fd21955d279 RSP: 002b:00007fd218cd2168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fd21966ff80 RCX: 00007fd21955d279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fd21964b000 RBP: 00007fd218cd21d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff4c0f4c1f R14: 00007fd218cd2300 R15: 0000000000022000 CPU: 0 PID: 9647 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fbe7ad3a279 RSP: 002b:00007fbe7a4af168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fbe7ae4cf80 RCX: 00007fbe7ad3a279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007fbe7ae28000 RBP: 00007fbe7a4af1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe84b3feef R14: 00007fbe7a4af300 R15: 0000000000022000 CPU: 1 PID: 9627 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f1e72c19279 RSP: 002b:00007f1e7238e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f1e72d2bf80 RCX: 00007f1e72c19279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f1e72d07000 RBP: 00007f1e7238e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcd64b0a1f R14: 00007f1e7238e300 R15: 0000000000022000 CPU: 0 PID: 9659 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f47deab9279 RSP: 002b:00007f47de20d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f47debcc050 RCX: 00007f47deab9279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f47deba7000 RBP: 00007f47de20d1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff77fad96f R14: 00007f47de20d300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9679 Comm: syz-executor.0 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] __do_kmalloc mm/slab.c:3718 [inline] __kmalloc+0x2c1/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] ext4_find_extent+0x879/0xbc0 fs/ext4/extents.c:906 ext4_ext_map_blocks+0x19a/0x6b10 fs/ext4/extents.c:4324 ext4_map_blocks+0xb19/0x1730 fs/ext4/inode.c:579 ext4_overwrite_io fs/ext4/file.c:150 [inline] ext4_file_write_iter+0x550/0xd20 fs/ext4/file.c:261 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f1e72c19279 RSP: 002b:00007f1e7238e168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f1e72d2bf80 RCX: 00007f1e72c19279 RDX: 0000000020000540 RSI: 0000000000001801 RDI: 00007f1e72d07000 RBP: 00007f1e7238e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffcd64b0a1f R14: 00007f1e7238e300 R15: 0000000000022000 CPU: 1 PID: 9673 Comm: syz-executor.2 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022