RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84548fa6d4 R13: 00000000004c7178 R14: 00000000004e2ae0 R15: 0000000000000005 ====================================================== WARNING: possible circular locking dependency detected 4.19.86-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/11647 is trying to acquire lock: 0000000006fff5dd (console_owner){-.-.}, at: console_trylock_spinning kernel/printk/printk.c:1669 [inline] 0000000006fff5dd (console_owner){-.-.}, at: vprintk_emit+0x348/0x690 kernel/printk/printk.c:1933 but task is already holding lock: 0000000047f485e9 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xff/0x200 drivers/tty/pty.c:119 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 tty_port_tty_get+0x22/0x80 drivers/tty/tty_port.c:288 tty_port_default_wakeup+0x16/0x40 drivers/tty/tty_port.c:47 tty_port_tty_wakeup+0x57/0x70 drivers/tty/tty_port.c:390 uart_write_wakeup+0x46/0x70 drivers/tty/serial/serial_core.c:103 serial8250_tx_chars+0x495/0xaf0 drivers/tty/serial/8250/8250_port.c:1806 serial8250_handle_irq.part.0+0x261/0x2b0 drivers/tty/serial/8250/8250_port.c:1879 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1865 [inline] serial8250_default_handle_irq+0xc0/0x150 drivers/tty/serial/8250/8250_port.c:1895 serial8250_interrupt+0xfc/0x1e0 drivers/tty/serial/8250/8250_core.c:125 __handle_irq_event_percpu+0x144/0x8f0 kernel/irq/handle.c:149 handle_irq_event_percpu+0x74/0x160 kernel/irq/handle.c:189 handle_irq_event+0xa7/0x134 kernel/irq/handle.c:206 handle_edge_irq+0x25e/0x8d0 kernel/irq/chip.c:797 generic_handle_irq_desc include/linux/irqdesc.h:155 [inline] handle_irq+0x39/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x99/0x1d0 arch/x86/kernel/irq.c:246 ret_from_intr+0x0/0x1e native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:556 default_idle_call+0x36/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x30c/0x4d0 kernel/sched/idle.c:263 cpu_startup_entry+0xc8/0xe0 kernel/sched/idle.c:369 rest_init+0x219/0x222 init/main.c:442 start_kernel+0x88c/0x8c5 init/main.c:738 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #1 (&port_lock_key){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 serial8250_console_write+0x7ca/0x9f0 drivers/tty/serial/8250/8250_port.c:3247 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:590 call_console_drivers kernel/printk/printk.c:1736 [inline] console_unlock+0xbdf/0x10d0 kernel/printk/printk.c:2425 vprintk_emit+0x238/0x690 kernel/printk/printk.c:1934 vprintk_default+0x28/0x30 kernel/printk/printk.c:1975 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2008 register_console+0x77f/0xb90 kernel/printk/printk.c:2741 univ8250_console_init+0x3e/0x4b drivers/tty/serial/8250/8250_core.c:685 console_init+0x4f7/0x761 kernel/printk/printk.c:2827 start_kernel+0x59c/0x8c5 init/main.c:661 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #0 (console_owner){-.-.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 console_trylock_spinning kernel/printk/printk.c:1690 [inline] vprintk_emit+0x385/0x690 kernel/printk/printk.c:1933 vprintk_default+0x28/0x30 kernel/printk/printk.c:1975 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2008 fail_dump lib/fault-inject.c:44 [inline] should_fail+0x6f1/0x85c lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x71/0x750 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:121 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x3f9/0x10f0 drivers/tty/n_tty.c:2331 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x458/0x7a0 drivers/tty/tty_io.c:1044 __vfs_write+0x114/0x810 fs/read_write.c:485 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: console_owner --> &port_lock_key --> &(&port->lock)->rlock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&port->lock)->rlock); lock(&port_lock_key); lock(&(&port->lock)->rlock); lock(console_owner); *** DEADLOCK *** 5 locks held by syz-executor.2/11647: #0: 0000000093ffed7b (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:362 #1: 000000009fe42b21 (&tty->atomic_write_lock){+.+.}, at: tty_write_lock+0x23/0x90 drivers/tty/tty_io.c:886 #2: 00000000e5009904 (&o_tty->termios_rwsem/1){++++}, at: n_tty_write+0x1ab/0x10f0 drivers/tty/n_tty.c:2314 #3: 00000000acaa419f (&ldata->output_lock){+.+.}, at: process_output_block drivers/tty/n_tty.c:548 [inline] #3: 00000000acaa419f (&ldata->output_lock){+.+.}, at: n_tty_write+0x52b/0x10f0 drivers/tty/n_tty.c:2331 #4: 0000000047f485e9 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xff/0x200 drivers/tty/pty.c:119 stack backtrace: CPU: 0 PID: 11647 Comm: syz-executor.2 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e19/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 console_trylock_spinning kernel/printk/printk.c:1690 [inline] vprintk_emit+0x385/0x690 kernel/printk/printk.c:1933 vprintk_default+0x28/0x30 kernel/printk/printk.c:1975 vprintk_func+0x7e/0x189 kernel/printk/printk_safe.c:398 printk+0xba/0xed kernel/printk/printk.c:2008 fail_dump lib/fault-inject.c:44 [inline] should_fail+0x6f1/0x85c lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x71/0x750 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:121 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x3f9/0x10f0 drivers/tty/n_tty.c:2331 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x458/0x7a0 drivers/tty/tty_io.c:1044 __vfs_write+0x114/0x810 fs/read_write.c:485 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f84548f9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f84548f9c90 RCX: 000000000045a649 RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84548fa6d4 R13: 00000000004c7178 R14: 00000000004e2ae0 R15: 0000000000000005 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11660 Comm: syz-executor.2 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop3' (00000000722c7315): kobject_uevent_env __should_failslab+0x121/0x190 mm/failslab.c:32 kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x71/0x750 mm/slab.c:3736 kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:121 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x3f9/0x10f0 drivers/tty/n_tty.c:2331 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x458/0x7a0 drivers/tty/tty_io.c:1044 __vfs_write+0x114/0x810 fs/read_write.c:485 kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f84548f9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f84548f9c90 RCX: 000000000045a649 RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84548fa6d4 R13: 00000000004c7178 R14: 00000000004e2ae0 R15: 0000000000000005 kobject: 'rx-0' (000000006d814089): kobject_cleanup, parent 000000006f3e2ad3 kobject: 'rx-0' (000000006d814089): auto cleanup 'remove' event kobject: 'rx-0' (000000006d814089): kobject_uevent_env kobject: 'rx-0' (000000006d814089): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/rx-0' kobject: 'rx-0' (000000006d814089): auto cleanup kobject_del kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'rx-0' (000000006d814089): calling ktype release kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0': free name kobject: 'tx-0' (00000000dfe1aff7): kobject_cleanup, parent 000000006f3e2ad3 kobject: 'tx-0' (00000000dfe1aff7): auto cleanup 'remove' event kobject: 'tx-0' (00000000dfe1aff7): kobject_uevent_env kobject: 'tx-0' (00000000dfe1aff7): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/tx-0' kobject: 'tx-0' (00000000dfe1aff7): auto cleanup kobject_del kobject: 'tx-0' (00000000dfe1aff7): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006f3e2ad3): kobject_cleanup, parent (null) kobject: 'queues' (000000006f3e2ad3): calling ktype release kobject: 'queues' (000000006f3e2ad3): kset_release kobject: 'queues': free name kobject: 'gre1' (00000000ffd6f767): kobject_uevent_env kobject: 'gre1' (00000000ffd6f767): fill_kobj_path: path = '/devices/virtual/net/gre1' IPv6: Can't replace route, no match found netlink: 'syz-executor.5': attribute type 14 has an invalid length. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'gre1' (00000000f844cf5d): kobject_add_internal: parent: 'net', set: 'devices' CPU: 0 PID: 11631 Comm: syz-executor.4 Not tainted 4.19.86-syzkaller #0 kobject: 'gre1' (00000000f844cf5d): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'gre1' (00000000f844cf5d): fill_kobj_path: path = '/devices/virtual/net/gre1' should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 kobject: 'queues' (0000000026770a64): kobject_add_internal: parent: 'gre1', set: '' kobject: 'queues' (0000000026770a64): kobject_uevent_env kobject: 'queues' (0000000026770a64): kobject_uevent_env: filter function caused the event to drop! alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __get_free_pages+0xc/0x40 mm/page_alloc.c:4441 tlb_next_batch mm/memory.c:204 [inline] __tlb_remove_page_size+0x2e2/0x500 mm/memory.c:306 kobject: 'rx-0' (000000000964a285): kobject_add_internal: parent: 'queues', set: 'queues' __tlb_remove_page include/asm-generic/tlb.h:161 [inline] zap_pte_range mm/memory.c:1341 [inline] zap_pmd_range mm/memory.c:1440 [inline] zap_pud_range mm/memory.c:1469 [inline] zap_p4d_range mm/memory.c:1490 [inline] unmap_page_range+0xeee/0x1e70 mm/memory.c:1511 kobject: 'rx-0' (000000000964a285): kobject_uevent_env unmap_single_vma+0x19d/0x300 mm/memory.c:1556 unmap_vmas+0xae/0x180 mm/memory.c:1586 exit_mmap+0x2c2/0x530 mm/mmap.c:3097 kobject: 'rx-0' (000000000964a285): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/rx-0' __mmput kernel/fork.c:1010 [inline] mmput+0x15f/0x4c0 kernel/fork.c:1031 exit_mm kernel/exit.c:546 [inline] do_exit+0x899/0x2fa0 kernel/exit.c:863 kobject: 'tx-0' (0000000043ea5e34): kobject_add_internal: parent: 'queues', set: 'queues' do_group_exit+0x135/0x370 kernel/exit.c:979 kobject: 'tx-0' (0000000043ea5e34): kobject_uevent_env get_signal+0x3ec/0x1fc0 kernel/signal.c:2578 kobject: 'tx-0' (0000000043ea5e34): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/tx-0' do_signal+0x95/0x1960 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa6f01b0c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: 00000000000000d8 RBX: 00007fa6f01b0c90 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6f01b16d4 R13: 00000000004c8d22 R14: 00000000004df558 R15: 0000000000000004 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000000964a285): kobject_cleanup, parent 0000000026770a64 kobject: 'rx-0' (000000000964a285): auto cleanup 'remove' event kobject: 'rx-0' (000000000964a285): kobject_uevent_env kobject: 'rx-0' (000000000964a285): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/rx-0' kobject: 'rx-0' (000000000964a285): auto cleanup kobject_del kobject: 'rx-0' (000000000964a285): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000043ea5e34): kobject_cleanup, parent 0000000026770a64 kobject: 'tx-0' (0000000043ea5e34): auto cleanup 'remove' event kobject: 'tx-0' (0000000043ea5e34): kobject_uevent_env kobject: 'tx-0' (0000000043ea5e34): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/tx-0' kobject: 'tx-0' (0000000043ea5e34): auto cleanup kobject_del kobject: 'tx-0' (0000000043ea5e34): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000026770a64): kobject_cleanup, parent (null) kobject: 'queues' (0000000026770a64): calling ktype release kobject: 'queues' (0000000026770a64): kset_release kobject: 'queues': free name kobject: 'gre1' (00000000f844cf5d): kobject_uevent_env kobject: 'gre1' (00000000f844cf5d): fill_kobj_path: path = '/devices/virtual/net/gre1' kobject: 'gre1' (00000000ffd6f767): kobject_cleanup, parent (null) kobject: 'gre1' (00000000ffd6f767): calling ktype release kobject: 'gre1': free name kobject: 'gre1' (00000000f844cf5d): kobject_cleanup, parent (null) kobject: 'gre1' (00000000f844cf5d): calling ktype release kobject: 'gre1': free name FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 IPv6: Can't replace route, no match found CPU: 0 PID: 11681 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] kobject: 'loop4' (0000000070927895): kobject_uevent_env __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 PM: Basic memory bitmaps created RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 IPv6: Can't replace route, no match found FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 PM: Basic memory bitmaps freed CPU: 1 PID: 11692 Comm: syz-executor.2 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x71/0x750 mm/slab.c:3736 PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created PM: Basic memory bitmaps freed kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:121 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x3f9/0x10f0 drivers/tty/n_tty.c:2331 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x458/0x7a0 drivers/tty/tty_io.c:1044 __vfs_write+0x114/0x810 fs/read_write.c:485 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f84548f9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f84548f9c90 RCX: 000000000045a649 RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84548fa6d4 R13: 00000000004c7178 R14: 00000000004e2ae0 R15: 0000000000000005 kobject: 'loop3' (00000000722c7315): kobject_uevent_env FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' CPU: 1 PID: 11702 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 IPv6: Can't replace route, no match found __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 CPU: 0 PID: 11719 Comm: syz-executor.2 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop4' (0000000070927895): kobject_uevent_env should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0x91/0x8c0 mm/slab.c:2682 cache_alloc_refill mm/slab.c:3049 [inline] ____cache_alloc mm/slab.c:3132 [inline] ____cache_alloc mm/slab.c:3115 [inline] __do_cache_alloc mm/slab.c:3354 [inline] slab_alloc mm/slab.c:3389 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x68b/0x750 mm/slab.c:3736 IPv6: Can't replace route, no match found kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:121 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x3f9/0x10f0 drivers/tty/n_tty.c:2331 IPv6: Can't replace route, no match found do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x458/0x7a0 drivers/tty/tty_io.c:1044 __vfs_write+0x114/0x810 fs/read_write.c:485 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f84548f9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f84548f9c90 RCX: 000000000045a649 RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84548fa6d4 kobject: 'loop4' (0000000070927895): kobject_uevent_env R13: 00000000004c7178 R14: 00000000004e2ae0 R15: 0000000000000005 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 11752 Comm: syz-executor.2 Not tainted 4.19.86-syzkaller #0 kobject: 'loop3' (00000000722c7315): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x71/0x750 mm/slab.c:3736 kobject: 'loop4' (0000000070927895): kobject_uevent_env kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc drivers/tty/tty_buffer.c:170 [inline] __tty_buffer_request_room+0x1fb/0x5c0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x1f0 drivers/tty/tty_buffer.c:313 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x133/0x200 drivers/tty/pty.c:121 process_output_block drivers/tty/n_tty.c:593 [inline] n_tty_write+0x3f9/0x10f0 drivers/tty/n_tty.c:2331 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x458/0x7a0 drivers/tty/tty_io.c:1044 __vfs_write+0x114/0x810 fs/read_write.c:485 vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0x14f/0x2d0 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:608 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f84548f9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f84548f9c90 RCX: 000000000045a649 RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f84548fa6d4 R13: 00000000004c7178 R14: 00000000004e2ae0 R15: 0000000000000005 CPU: 1 PID: 11748 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 kobject: 'loop4' (0000000070927895): kobject_uevent_env Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13 sclass=netlink_route_socket pig=11785 comm=syz-executor.4 kobject: 'loop3' (00000000722c7315): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=15 sclass=netlink_route_socket pig=11788 comm=syz-executor.4 kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env CPU: 0 PID: 11798 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 netlink: 60 bytes leftover after parsing attributes in process `syz-executor.4'. CPU: 0 PID: 11822 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 kobject: 'loop4' (0000000070927895): kobject_uevent_env do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 netlink: 60 bytes leftover after parsing attributes in process `syz-executor.4'. RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 60 bytes leftover after parsing attributes in process `syz-executor.4'. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11867 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop4' (0000000070927895): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 netlink: 192 bytes leftover after parsing attributes in process `syz-executor.4'. do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 kobject: 'loop3' (00000000722c7315): kobject_uevent_env netlink: 192 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.5'. CPU: 1 PID: 11912 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 netlink: 44 bytes leftover after parsing attributes in process `syz-executor.5'. Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 kobject: 'loop4' (0000000070927895): kobject_uevent_env do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' CPU: 0 PID: 11968 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000722c7315): kobject_uevent_env FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env CPU: 1 PID: 11999 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env CPU: 1 PID: 12019 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 kobject: 'loop4' (0000000070927895): kobject_uevent_env find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kobject: 'loop4' (0000000070927895): kobject_uevent_env CPU: 1 PID: 12078 Comm: syz-executor.0 Not tainted 4.19.86-syzkaller #0 kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3086 [inline] prepare_alloc_pages mm/page_alloc.c:4344 [inline] __alloc_pages_nodemask+0x1ee/0x750 mm/page_alloc.c:4391 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' alloc_pages_current+0x107/0x210 mm/mempolicy.c:2197 alloc_pages include/linux/gfp.h:532 [inline] __vmalloc_area_node mm/vmalloc.c:1690 [inline] __vmalloc_node_range+0x4ac/0x790 mm/vmalloc.c:1750 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags_caller+0x71/0x90 mm/vmalloc.c:1823 bpf_map_area_alloc+0x71/0x90 kernel/bpf/syscall.c:153 sock_hash_alloc kernel/bpf/sockmap.c:2222 [inline] sock_hash_alloc+0x491/0x6c0 kernel/bpf/sockmap.c:2170 find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x372/0xe90 kernel/bpf/syscall.c:510 __do_sys_bpf kernel/bpf/syscall.c:2396 [inline] __se_sys_bpf kernel/bpf/syscall.c:2373 [inline] __x64_sys_bpf+0x2c2/0x4c0 kernel/bpf/syscall.c:2373 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45a649 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f21493afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 kobject: 'loop5' (0000000001aa1cb5): kobject_uevent_env RAX: ffffffffffffffda RBX: 00007f21493afc90 RCX: 000000000045a649 RDX: 000000000000003c RSI: 0000000020000080 RDI: 0000000000000000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f21493b06d4 R13: 00000000004c0c45 R14: 00000000004d36f0 R15: 0000000000000003 kobject: 'loop5' (0000000001aa1cb5): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000070927895): kobject_uevent_env kobject: 'loop4' (0000000070927895): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000003fc8c0c7): kobject_uevent_env kobject: 'loop2' (000000003fc8c0c7): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000722c7315): kobject_uevent_env kobject: 'loop3' (00000000722c7315): fill_kobj_path: path = '/devices/virtual/block/loop3'