R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 0000000000000000 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8107 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor161/8105 is trying to acquire lock: 00000000cf166271 (console_owner){....}, at: console_trylock_spinning kernel/printk/printk.c:1697 [inline] 00000000cf166271 (console_owner){....}, at: vprintk_emit+0x3fe/0x740 kernel/printk/printk.c:1964 but task is already holding lock: 00000000d3538ee8 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xf4/0x1f0 drivers/tty/pty.c:120 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: tty_port_tty_get+0x1d/0x80 drivers/tty/tty_port.c:289 tty_port_default_wakeup+0x11/0x40 drivers/tty/tty_port.c:47 serial8250_tx_chars+0x490/0xaf0 drivers/tty/serial/8250/8250_port.c:1813 serial8250_handle_irq.part.0+0x31f/0x3d0 drivers/tty/serial/8250/8250_port.c:1900 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1873 [inline] serial8250_default_handle_irq+0xae/0x220 drivers/tty/serial/8250/8250_port.c:1916 serial8250_interrupt+0x101/0x240 drivers/tty/serial/8250/8250_core.c:125 __handle_irq_event_percpu+0x27e/0x8e0 kernel/irq/handle.c:149 handle_irq_event_percpu kernel/irq/handle.c:189 [inline] handle_irq_event+0x102/0x290 kernel/irq/handle.c:206 handle_edge_irq+0x260/0xcf0 kernel/irq/chip.c:800 generic_handle_irq_desc include/linux/irqdesc.h:155 [inline] handle_irq+0x35/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x93/0x1c0 arch/x86/kernel/irq.c:246 ret_from_intr+0x0/0x1e arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] uart_write+0x3bb/0x6f0 drivers/tty/serial/serial_core.c:612 do_output_char+0x5de/0x850 drivers/tty/n_tty.c:445 process_output drivers/tty/n_tty.c:512 [inline] n_tty_write+0x46e/0xff0 drivers/tty/n_tty.c:2343 do_tty_write drivers/tty/tty_io.c:960 [inline] tty_write+0x496/0x810 drivers/tty/tty_io.c:1044 redirected_tty_write+0xaa/0xb0 drivers/tty/tty_io.c:1065 do_loop_readv_writev fs/read_write.c:704 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_write+0x461/0x5d0 fs/read_write.c:962 vfs_writev+0x153/0x2e0 fs/read_write.c:1005 do_writev+0x136/0x330 fs/read_write.c:1040 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&port_lock_key){-.-.}: serial8250_console_write+0x90e/0xb70 drivers/tty/serial/8250/8250_port.c:3290 call_console_drivers kernel/printk/printk.c:1764 [inline] console_unlock+0xbb6/0x1110 kernel/printk/printk.c:2460 vprintk_emit+0x2d1/0x740 kernel/printk/printk.c:1965 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 register_console+0x87f/0xc90 kernel/printk/printk.c:2776 univ8250_console_init+0x3a/0x46 drivers/tty/serial/8250/8250_core.c:684 console_init+0x4cb/0x718 kernel/printk/printk.c:2862 start_kernel+0x686/0x911 init/main.c:659 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 -> #0 (console_owner){....}: console_trylock_spinning kernel/printk/printk.c:1718 [inline] vprintk_emit+0x43b/0x740 kernel/printk/printk.c:1964 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 fail_dump lib/fault-inject.c:44 [inline] should_fail+0x66b/0x7b0 lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x6d/0x3c0 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc+0x23f/0x2a0 drivers/tty/tty_buffer.c:170 __tty_buffer_request_room+0x156/0x2a0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x250 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x126/0x1f0 drivers/tty/pty.c:122 tty_put_char+0x122/0x150 drivers/tty/tty_io.c:2893 do_output_char+0x155/0x850 drivers/tty/n_tty.c:486 __process_echoes+0x38e/0x9f0 drivers/tty/n_tty.c:737 flush_echoes drivers/tty/n_tty.c:827 [inline] __receive_buf drivers/tty/n_tty.c:1646 [inline] n_tty_receive_buf_common+0xc0c/0x2a90 drivers/tty/n_tty.c:1740 tiocsti drivers/tty/tty_io.c:2193 [inline] tty_ioctl+0x1026/0x1630 drivers/tty/tty_io.c:2580 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 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-executor161/8105: #0: 00000000368cfe05 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000b5b5d302 (&port->buf.lock/1){+.+.}, at: tiocsti drivers/tty/tty_io.c:2191 [inline] #1: 00000000b5b5d302 (&port->buf.lock/1){+.+.}, at: tty_ioctl+0xfbc/0x1630 drivers/tty/tty_io.c:2580 #2: 00000000ec5b8189 (&o_tty->termios_rwsem/1){++++}, at: n_tty_receive_buf_common+0x84/0x2a90 drivers/tty/n_tty.c:1703 #3: 00000000fe4faf77 (&ldata->output_lock){+.+.}, at: flush_echoes drivers/tty/n_tty.c:825 [inline] #3: 00000000fe4faf77 (&ldata->output_lock){+.+.}, at: __receive_buf drivers/tty/n_tty.c:1646 [inline] #3: 00000000fe4faf77 (&ldata->output_lock){+.+.}, at: n_tty_receive_buf_common+0xbce/0x2a90 drivers/tty/n_tty.c:1740 #4: 00000000d3538ee8 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xf4/0x1f0 drivers/tty/pty.c:120 stack backtrace: CPU: 0 PID: 8105 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 console_trylock_spinning kernel/printk/printk.c:1718 [inline] vprintk_emit+0x43b/0x740 kernel/printk/printk.c:1964 vprintk_func+0x79/0x180 kernel/printk/printk_safe.c:405 printk+0xba/0xed kernel/printk/printk.c:2040 fail_dump lib/fault-inject.c:44 [inline] should_fail+0x66b/0x7b0 lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc+0x6d/0x3c0 mm/slab.c:3736 kmalloc include/linux/slab.h:520 [inline] tty_buffer_alloc+0x23f/0x2a0 drivers/tty/tty_buffer.c:170 __tty_buffer_request_room+0x156/0x2a0 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x93/0x250 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:37 [inline] pty_write+0x126/0x1f0 drivers/tty/pty.c:122 tty_put_char+0x122/0x150 drivers/tty/tty_io.c:2893 do_output_char+0x155/0x850 drivers/tty/n_tty.c:486 __process_echoes+0x38e/0x9f0 drivers/tty/n_tty.c:737 flush_echoes drivers/tty/n_tty.c:827 [inline] __receive_buf drivers/tty/n_tty.c:1646 [inline] n_tty_receive_buf_common+0xc0c/0x2a90 drivers/tty/n_tty.c:1740 tiocsti drivers/tty/tty_io.c:2193 [inline] tty_ioctl+0x1026/0x1630 drivers/tty/tty_io.c:2580 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ffaa6ca32b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd82c0dbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffaa6ca32b9 RDX: 0000000020000000 RSI: 0000000000005412 RDI: 0000000000000004 RBP: 00007ffd82c0dbd0 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 0000000000000000 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 syz-executor161 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 syz-executor161 cpuset=/ mems_allowed=0-1 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 0 PID: 8108 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8106 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 0 PID: 8099 Comm: syz-executor161 Not tainted 4.19.211-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:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 dump_header+0x15d/0xc3f mm/oom_kill.c:443 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 out_of_memory mm/oom_kill.c:1132 [inline] out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064 pagefault_out_of_memory+0x102/0x120 mm/oom_kill.c:1157 mm_fault_error+0x106/0x390 arch/x86/mm/fault.c:1040 __do_page_fault+0xc34/0xd60 arch/x86/mm/fault.c:1440 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8111 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f Mem-Info: RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8104 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 active_anon:4575 inactive_anon:4715 isolated_anon:0 active_file:5367 inactive_file:9951 isolated_file:0 unevictable:0 dirty:5986 writeback:0 unstable:0 slab_reclaimable:16105 slab_unreclaimable:112609 mapped:3698 shmem:4898 pagetables:364 bounce:0 free:1531111 free_pcp:496 free_cma:0 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 Node 0 active_anon:18300kB inactive_anon:18860kB active_file:21348kB inactive_file:39804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14792kB dirty:23940kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 Node 1 active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8113 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8114 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 lowmem_reserve[]: 0 2693 2695 2695 2695 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 Node 0 DMA32 free:2065800kB min:35996kB low:44992kB high:53988kB active_anon:22404kB inactive_anon:18860kB active_file:21404kB inactive_file:39748kB unevictable:0kB writepending:23940kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6848kB pagetables:1492kB bounce:0kB free_pcp:1784kB local_pcp:472kB free_cma:0kB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f lowmem_reserve[]: 0 0 1 1 1 RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8112 Comm: syz-executor161 Not tainted 4.19.211-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:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8117 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:4039584kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 lowmem_reserve[]: 0 0 0 0 0 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 Node 0 DMA32: 1304*4kB (U) 15*8kB (U) 395*16kB (U) 117*32kB (U) 14*64kB (UME) 5*128kB (UM) 4*256kB (UE) 5*512kB (UE) 2*1024kB (ME) 3*2048kB (UE) 497*4096kB (M) = 2064424kB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 Node 1 Normal: 96*4kB (UE) 408*8kB (UE) 288*16kB (UME) 75*32kB (UME) 32*64kB (UME) 20*128kB (UM) 12*256kB (UME) 6*512kB (UME) 2*1024kB (M) 1*2048kB (U) 980*4096kB (M) = 4039584kB CPU: 1 PID: 8116 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 20218 total pagecache pages handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 0 pages in swap cache page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Swap cache stats: add 0, delete 0, find 0/0 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 Free swap = 0kB RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8115 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, 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:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8122 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 Total swap = 0kB 2097051 pages RAM alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 0 pages HighMem/MovableOnly wp_page_copy+0x219/0x2c40 mm/memory.c:2605 369649 pages reserved 0 pages cma reserved Unreclaimable slab info: do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 Name Used Total handle_mm_fault+0x436/0xb10 mm/memory.c:4336 TIPC 1KB 7KB __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 SCTPv6 2KB 6KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f DCCPv6 2KB 7KB RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 DCCP 2KB 7KB CPU: 1 PID: 8121 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 RXRPC 1KB 6KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 rxrpc_call_jar 11KB 23KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 fib6_nodes 0KB 4KB ip6_dst_cache 0KB 3KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 RAWv6 10KB 20KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 UDPv6 13KB 15KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 TCPv6 6KB 6KB nf_conntrack 19KB 22KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 t10_alua_lu_gp_cache 0KB 3KB RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8118 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, 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:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8123 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 sd_ext_cdb 0KB 7KB fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 scsi_sense_cache 1056KB 1064KB should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 virtio_scsi_cmd 16KB 16KB sgpool-128 8KB 8KB sgpool-64 4KB 12KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 sgpool-32 2KB 15KB sgpool-16 1KB 7KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 sgpool-8 0KB 7KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 mqueue_inode_cache 1KB 7KB bio_post_read_ctx 14KB 15KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 bio-2 14KB 15KB jfs_mp 7KB 7KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 cifs_small_rq 15KB 16KB RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 cifs_request 67KB 67KB RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8125 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 cifs_mpx_ids 0KB 7KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 nfs_commit_data 3KB 14KB should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 nfs_write_data 34KB 44KB ext4_system_zone 1KB 7KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 bio-1 1KB 7KB rpc_buffers 17KB 25KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 rpc_tasks 2KB 7KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 UNIX 423KB 423KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 tcp_bind_bucket 0KB 4KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 ip_fib_trie 0KB 3KB RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8124 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 ip_fib_alias 0KB 3KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 ip_dst_cache 5KB 8KB Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 RAW 6KB 15KB should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 UDP 25KB 40KB request_sock_TCP 0KB 7KB TCP 8KB 11KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 hugetlbfs_inode_cache 3KB 15KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 fscache_cookie_jar 1KB 11KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 eventpoll_pwq 23KB 75KB __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 eventpoll_epi 63KB 126KB inotify_inode_mark 6KB 11KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f request_queue 215KB 309KB RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 blkdev_requests 1KB 3KB R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 blkdev_ioc 4KB 15KB CPU: 1 PID: 8126 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 bio-0 83KB 142KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 biovec-max 1237KB 1245KB wp_page_copy+0x219/0x2c40 mm/memory.c:2605 biovec-64 13KB 31KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 biovec-16 3KB 11KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 bio_integrity_payload 1KB 8KB khugepaged_mm_slot 1KB 3KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 uid_cache 1KB 8KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f dmaengine-unmap-2 0KB 3KB RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 skbuff_fclone_cache 431KB 431KB R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 skbuff_head_cache 1601KB 1800KB FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8129 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8127 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 configfs_dir_cache 3KB 7KB Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 file_lock_cache 101KB 106KB file_lock_ctx 9KB 15KB fsnotify_mark_connector 2KB 7KB shmem_inode_cache 7804KB 7808KB task_delay_info 93KB 411KB taskstats 0KB 3KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 proc_dir_entry 302KB 307KB wp_page_copy+0x219/0x2c40 mm/memory.c:2605 pde_opener 36KB 77KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 seq_file 356KB 661KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 sigqueue 17KB 55KB __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 kernfs_node_cache 9949KB 9965KB mnt_cache 68KB 76KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 filp 10756KB 10758KB Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 names_cache 178070KB 178092KB RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8128 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 iint_cache 79KB 79KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 key_jar 4KB 15KB Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 nsproxy 0KB 3KB vm_area_struct 2281KB 2281KB mm_struct 237KB 435KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 fs_cache 60KB 260KB files_cache 183KB 420KB signal_cache 485KB 1193KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 sighand_cache 515KB 568KB task_struct 2045KB 2045KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 cred_jar 1230KB 1972KB __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 anon_vma_chain 832KB 945KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8130 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8131 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 anon_vma 184KB 308KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 pid 62KB 296KB should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 Acpi-Operand 156KB 202KB Acpi-ParseExt 8KB 11KB Acpi-Parse 41KB 47KB Acpi-State 52KB 66KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 Acpi-Namespace 21KB 27KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 numa_policy 0KB 3KB handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 debug_objects_cache 668KB 671KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 trace_event_file 297KB 298KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 ftrace_event_field 398KB 401KB RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8134 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 pool_workqueue 79KB 84KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 page->ptl 237KB 411KB should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 kmalloc-2097152 2050KB 2050KB kmalloc-524288 2056KB 2056KB kmalloc-262144 1290KB 1290KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 kmalloc-131072 650KB 650KB wp_page_copy+0x219/0x2c40 mm/memory.c:2605 kmalloc-65536 264KB 330KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 kmalloc-32768 660KB 660KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 kmalloc-16384 247KB 247KB kmalloc-8192 1113KB 1155KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 kmalloc-4096 8682KB 8742KB RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 kmalloc-2048 6392KB 6394KB RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 kmalloc-1024 3322KB 3370KB CPU: 1 PID: 8135 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 kmalloc-512 2715KB 4053KB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 kmalloc-256 1953KB 2418KB kmalloc-128 447KB 515KB alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 kmalloc-96 2646KB 2672KB do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 kmalloc-64 2360KB 2480KB kmalloc-32 1035KB 1886KB handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 kmalloc-192 1016KB 1836KB kmem_cache 177KB 180KB page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 Tasks state (memory values in pages): RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 4694] 0 4694 11524 1704 118784 0 0 systemd-journal CPU: 1 PID: 8136 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 4697] 0 4697 10983 1037 114688 0 -1000 systemd-udevd Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 [ 6154] 100 6154 30769 1001 139264 0 0 systemd-timesyn [ 6156] 0 6156 5115 277 73728 0 0 dhclient [ 7764] 0 7764 6999 597 102400 0 0 cron [ 7775] 0 7775 63583 855 147456 0 0 rsyslogd alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 [ 7800] 0 7800 3165 411 69632 0 0 agetty [ 7801] 0 7801 3221 422 73728 0 0 agetty do_wp_page+0x2d4/0x2210 mm/memory.c:2903 [ 7812] 0 7812 17490 1628 176128 0 -1000 sshd handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 [ 8017] 0 8017 3221 431 69632 0 0 agetty handle_mm_fault+0x436/0xb10 mm/memory.c:4336 [ 8018] 0 8018 3221 422 69632 0 0 agetty __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 [ 8019] 0 8019 3221 411 69632 0 0 agetty page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 [ 8020] 0 8020 3221 433 69632 0 0 agetty RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 8021] 0 8021 3221 411 73728 0 0 agetty RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 8094] 0 8094 17490 1645 180224 0 0 sshd FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 8096] 0 8096 4360 1 32768 0 0 syz-executor161 CPU: 1 PID: 8138 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 8097] 0 8097 4360 13 32768 0 0 syz-executor161 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 [ 8098] 0 8098 4360 13 32768 0 0 syz-executor161 [ 8099] 0 8099 4360 525 45056 0 1000 syz-executor161 [ 8100] 0 8100 4360 13 32768 0 0 syz-executor161 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 [ 8101] 0 8101 4360 13 32768 0 0 syz-executor161 [ 8102] 0 8102 4360 13 32768 0 0 syz-executor161 [ 8103] 0 8103 4360 13 32768 0 0 syz-executor161 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 8129] 0 8129 4360 525 45056 0 1000 syz-executor161 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 [ 8130] 0 8130 4360 525 45056 0 1000 syz-executor161 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 [ 8137] 0 8137 4360 525 45056 0 1000 syz-executor161 [ 8138] 0 8138 4360 525 45056 0 1000 syz-executor161 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 [ 8139] 0 8139 4360 525 45056 0 1000 syz-executor161 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8137 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Out of memory: Kill process 8099 (syz-executor161) score 1000 or sacrifice child Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 Killed process 8099 (syz-executor161) total-vm:17440kB, anon-rss:2100kB, file-rss:0kB, shmem-rss:0kB oom_reaper: reaped process 8099 (syz-executor161), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 syz-executor161 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 syz-executor161 cpuset=/ mems_allowed=0-1 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 0 PID: 8130 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 dump_header+0x15d/0xc3f mm/oom_kill.c:443 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 out_of_memory mm/oom_kill.c:1132 [inline] out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 pagefault_out_of_memory+0x102/0x120 mm/oom_kill.c:1157 mm_fault_error+0x106/0x390 arch/x86/mm/fault.c:1040 __do_page_fault+0xc34/0xd60 arch/x86/mm/fault.c:1440 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 1 PID: 8142 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7ffaa6c6bf85 Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 CPU: 0 PID: 8139 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 alloc_pages_vma+0xf2/0x780 mm/mempolicy.c:2161 wp_page_copy+0x219/0x2c40 mm/memory.c:2605 do_wp_page+0x2d4/0x2210 mm/memory.c:2903 handle_pte_fault mm/memory.c:4191 [inline] __handle_mm_fault+0x258b/0x41c0 mm/memory.c:4299 ---------------- Code disassembly (best guess): 0: 0a 00 or (%rax),%al 2: 00 74 08 84 add %dh,-0x7c(%rax,%rcx,1) 6: c9 leaveq 7: 0f 85 46 02 00 00 jne 0x253 d: 45 31 e4 xor %r12d,%r12d 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1c: 00 1d: ba 01 00 00 00 mov $0x1,%edx 22: 85 c0 test %eax,%eax 24: 0f 85 d5 01 00 00 jne 0x1ff * 2a: 0f b1 15 bc ae 0a 00 cmpxchg %edx,0xaaebc(%rip) # 0xaaeed <-- trapping instruction 31: 4c 8b 33 mov (%rbx),%r14 34: 4d 85 f6 test %r14,%r14 37: 75 3b jne 0x74 39: e9 72 01 00 00 jmpq 0x1b0 3e: 0f .byte 0xf 3f: 1f (bad)