bisecting fixing commit since 893af1c79e42e53af0da22165b46eea135af0613 building syzkaller on acb51638141ff960f547431757130749bc176bc0 testing commit 893af1c79e42e53af0da22165b46eea135af0613 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 0e46310a55b5e8e87b78fd60dabe9cb5de0f12946a93765b3633995b1aea4ef6 run #0: crashed: WARNING in untrack_pfn run #1: crashed: WARNING in untrack_pfn run #2: crashed: WARNING in untrack_pfn run #3: crashed: WARNING in untrack_pfn run #4: crashed: WARNING in untrack_pfn run #5: crashed: WARNING in untrack_pfn run #6: crashed: WARNING in untrack_pfn run #7: crashed: WARNING in untrack_pfn run #8: crashed: WARNING in untrack_pfn run #9: crashed: WARNING in untrack_pfn run #10: crashed: WARNING in untrack_pfn run #11: crashed: WARNING in untrack_pfn run #12: crashed: WARNING in untrack_pfn run #13: crashed: WARNING in untrack_pfn run #14: crashed: WARNING in untrack_pfn run #15: crashed: WARNING in untrack_pfn run #16: crashed: WARNING in untrack_pfn run #17: crashed: WARNING in untrack_pfn run #18: OK run #19: OK testing current HEAD 59456c9cc40c8f75b5a7efa0fe1f211d9c6fcaf1 testing commit 59456c9cc40c8f75b5a7efa0fe1f211d9c6fcaf1 compiler: gcc version 8.4.1 20210217 (GCC) kernel signature: 07f299c69abf78581f2077e710b29657bd0fe3c1f72da2ca3ccace2457849290 all runs: crashed: WARNING in untrack_pfn revisions tested: 2, total time: 39m12.405416657s (build: 17m33.590575565s, test: 20m50.281845212s) the crash still happens on HEAD commit msg: Linux 4.19.204 crash: WARNING in untrack_pfn RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000067 WARNING: CPU: 1 PID: 14514 at arch/x86/mm/pat.c:1064 untrack_pfn+0x1cb/0x240 arch/x86/mm/pat.c:1073 Modules linked in: CPU: 1 PID: 14514 Comm: syz-executor163 Not tainted 4.19.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:untrack_pfn+0x1cb/0x240 arch/x86/mm/pat.c:1064 Code: 00 00 00 48 c7 43 08 00 00 00 00 48 8b 45 d8 65 48 33 04 25 28 00 00 00 75 14 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b eb c1 e8 bc 83 0d 00 48 89 95 30 ff ff ff 48 89 b5 38 ff ff RSP: 0018:ffff8881e6de78c0 EFLAGS: 00010282 RAX: 00000000ffffffea RBX: 1ffff1103cdbcf1a RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000004 RDI: ffffffff89c8d6e0 RBP: ffff8881e6de7990 R08: ffffed103d5e84c7 R09: ffffed103d5e84c6 R10: ffffed103d5e84c6 R11: ffff8881eaf42633 R12: ffff8881ef27f840 R13: 0000000000000000 R14: ffff8881e6de7970 R15: ffff8881e6de7a60 FS: 0000000001d28300(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000240 CR3: 00000001e751c005 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unmap_single_vma+0x144/0x300 mm/memory.c:1558 unmap_vmas+0xe7/0x1a0 mm/memory.c:1609 exit_mmap+0x251/0x470 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x107/0x3f0 kernel/fork.c:1036 dup_mm kernel/fork.c:1300 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x2c90/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000067 irq event stamp: 4082 hardirqs last enabled at (4081): [] kfree+0x107/0x220 mm/slab.c:3823 hardirqs last disabled at (4082): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4058): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (4019): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (4019): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 17b7d8da4e6979aa ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14515 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000068 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14516 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000069 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14517 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cb/0x740 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] reserve_memtype+0x166/0x710 arch/x86/mm/pat.c:595 reserve_pfn_range+0x12b/0x350 arch/x86/mm/pat.c:912 track_pfn_copy+0x173/0x1b0 arch/x86/mm/pat.c:981 copy_page_range+0x11fc/0x1d50 mm/memory.c:1258 dup_mmap kernel/fork.c:549 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x39a2/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000006a FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14518 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000006b FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14519 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000006c FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14520 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000006d FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14521 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000006e FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14522 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000006f FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14523 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000070 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14524 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000071 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14525 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000072 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14526 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000073 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14527 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000074 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14528 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000075 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14529 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000076 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14530 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000077 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14531 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000078 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14532 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000079 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14533 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000007a FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14534 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000007b FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14535 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000007c FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14536 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000007d FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14537 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000007e FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14538 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000007f FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14539 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000080 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14540 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000081 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14541 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000082 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14542 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000083 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14543 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000084 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14544 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000085 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14545 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000086 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14546 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000087 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14547 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000088 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14548 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 0000000000000089 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14549 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000008a FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14550 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912 copy_process kernel/fork.c:1718 [inline] _do_fork+0x16a/0xcb0 kernel/fork.c:2218 __do_sys_clone kernel/fork.c:2325 [inline] __se_sys_clone kernel/fork.c:2319 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2319 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441409 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 71 15 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:00007ffed1cbc2b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441409 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffed1cbc2e0 R08: 0000000000000000 R09: 00007ffed1cbc2f0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffed1cbc300 R14: 00007ffed1cbc340 R15: 000000000000008b FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14551 Comm: syz-executor163 Tainted: G W 4.19.204-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+0x123/0x171 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0x5/0xa lib/fault-inject.c:149 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b6/0x720 mm/slab.c:3557 vm_area_dup+0x1b/0x150 kernel/fork.c:329 dup_mmap kernel/fork.c:489 [inline] dup_mm kernel/fork.c:1284 [inline] copy_mm kernel/fork.c:1340 [inline] copy_process.part.34+0x307c/0x76d0 kernel/fork.c:1912