BTRFS error (device loop5): open_ctree failed audit: type=1800 audit(1601240642.044:10): pid=8064 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=15750 res=0 ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38 shift exponent -246 is negative CPU: 0 PID: 8076 Comm: syz-executor.1 Not tainted 4.19.148-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+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0x96/0x126 net/core/gen_estimator.c:87 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:31 [inline] RIP: 0010:atomic_read include/asm-generic/atomic-instrumented.h:22 [inline] RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] RIP: 0010:rcu_is_watching+0x91/0x100 kernel/rcu/tree.c:1025 Code: 60 cf 2c 89 be 04 00 00 00 48 8d 6b 10 48 89 ef e8 44 d8 4b 00 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 <48> 89 e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 8b 43 10 d1 e8 RSP: 0018:ffff888045657c38 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880ae2239c0 RCX: ffffffff815f12ec RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ae2239d0 RBP: ffff8880ae2239d0 R08: 0000000000000000 R09: ffffed1015c4473a R10: ffff8880ae2239d3 R11: 00000000e3c43053 R12: ffff88804572f100 R13: 0000000000000880 R14: 00000000000004f8 R15: ffffffff81871ff9 rcu_read_lock_sched_held+0xc6/0x1e0 kernel/rcu/update.c:113 trace_kmalloc include/trace/events/kmem.h:46 [inline] kmem_cache_alloc_trace+0x379/0x4b0 mm/slab.c:3626 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] perf_event_alloc.part.0+0xb9/0x3000 kernel/events/core.c:10048 perf_event_alloc kernel/events/core.c:10535 [inline] __do_sys_perf_event_open kernel/events/core.c:10636 [inline] __se_sys_perf_event_open+0x54e/0x27c0 kernel/events/core.c:10525 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 Bluetooth: hci0: command 0x0c3a tx timeout RSP: 002b:00007fa2fdd56c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000024cc0 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280 RBP: 000000000118cf90 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffe37732a3f R14: 00007fa2fdd579c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:88:23 shift exponent 255 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 8076 Comm: syz-executor.1 Not tainted 4.19.148-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+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0xd6/0x126 net/core/gen_estimator.c:88 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:31 [inline] RIP: 0010:atomic_read include/asm-generic/atomic-instrumented.h:22 [inline] RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] RIP: 0010:rcu_is_watching+0x91/0x100 kernel/rcu/tree.c:1025 Code: 60 cf 2c 89 be 04 00 00 00 48 8d 6b 10 48 89 ef e8 44 d8 4b 00 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 <48> 89 e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 8b 43 10 d1 e8 RSP: 0018:ffff888045657c38 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880ae2239c0 RCX: ffffffff815f12ec RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ae2239d0 RBP: ffff8880ae2239d0 R08: 0000000000000000 R09: ffffed1015c4473a R10: ffff8880ae2239d3 R11: 00000000e3c43053 R12: ffff88804572f100 R13: 0000000000000880 R14: 00000000000004f8 R15: ffffffff81871ff9 rcu_read_lock_sched_held+0xc6/0x1e0 kernel/rcu/update.c:113 trace_kmalloc include/trace/events/kmem.h:46 [inline] kmem_cache_alloc_trace+0x379/0x4b0 mm/slab.c:3626 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] perf_event_alloc.part.0+0xb9/0x3000 kernel/events/core.c:10048 perf_event_alloc kernel/events/core.c:10535 [inline] __do_sys_perf_event_open kernel/events/core.c:10636 [inline] __se_sys_perf_event_open+0x54e/0x27c0 kernel/events/core.c:10525 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa2fdd56c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000024cc0 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280 RBP: 000000000118cf90 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffe37732a3f R14: 00007fa2fdd579c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46 shift exponent -246 is negative CPU: 0 PID: 8076 Comm: syz-executor.1 Not tainted 4.19.148-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+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0x17/0x126 net/core/gen_estimator.c:90 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:31 [inline] RIP: 0010:atomic_read include/asm-generic/atomic-instrumented.h:22 [inline] RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] RIP: 0010:rcu_is_watching+0x91/0x100 kernel/rcu/tree.c:1025 Code: 60 cf 2c 89 be 04 00 00 00 48 8d 6b 10 48 89 ef e8 44 d8 4b 00 48 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 <48> 89 e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 8b 43 10 d1 e8 RSP: 0018:ffff888045657c38 EFLAGS: 00000a06 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880ae2239c0 RCX: ffffffff815f12ec RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ae2239d0 RBP: ffff8880ae2239d0 R08: 0000000000000000 R09: ffffed1015c4473a R10: ffff8880ae2239d3 R11: 00000000e3c43053 R12: ffff88804572f100 R13: 0000000000000880 R14: 00000000000004f8 R15: ffffffff81871ff9 rcu_read_lock_sched_held+0xc6/0x1e0 kernel/rcu/update.c:113 trace_kmalloc include/trace/events/kmem.h:46 [inline] kmem_cache_alloc_trace+0x379/0x4b0 mm/slab.c:3626 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] perf_event_alloc.part.0+0xb9/0x3000 kernel/events/core.c:10048 perf_event_alloc kernel/events/core.c:10535 [inline] __do_sys_perf_event_open kernel/events/core.c:10636 [inline] __se_sys_perf_event_open+0x54e/0x27c0 kernel/events/core.c:10525 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fa2fdd56c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000024cc0 RCX: 000000000045e179 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280 RBP: 000000000118cf90 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffe37732a3f R14: 00007fa2fdd579c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in net/core/gen_estimator.c:91:22 shift exponent 255 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 8074 Comm: syz-executor.1 Not tainted 4.19.148-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+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 est_timer.cold+0x5b/0x126 net/core/gen_estimator.c:91 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:csd_lock_wait kernel/smp.c:108 [inline] RIP: 0010:smp_call_function_single+0x1db/0x490 kernel/smp.c:302 Code: 00 e8 79 ba 0a 00 48 8b 4c 24 08 48 8b 54 24 10 48 8d 74 24 40 8b 7c 24 1c e8 01 f9 ff ff 41 89 c5 eb 07 e8 57 ba 0a 00 f3 90 <44> 8b 64 24 58 31 ff 41 83 e4 01 44 89 e6 e8 b2 bb 0a 00 45 85 e4 RSP: 0018:ffff8880454cfa60 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88808dc60280 RBX: 1ffff11008a99f50 RCX: ffffffff8167089e RDX: 0000000000000000 RSI: ffffffff81670889 RDI: 0000000000000005 RBP: ffff8880454cfb30 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000001 R15: ffff88804564633c task_function_call+0xe2/0x160 kernel/events/core.c:115 event_function_call+0x228/0x430 kernel/events/core.c:282 perf_remove_from_context+0x9b/0x1c0 kernel/events/core.c:2111 perf_event_release_kernel+0x169/0xd00 kernel/events/core.c:4582 perf_release+0x33/0x40 kernel/events/core.c:4678 __fput+0x2ce/0x8a0 fs/file_table.c:278 task_work_run+0x141/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x269/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x417901 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 a4 1a 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffe37732ab0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000417901 RDX: 0000000000000000 RSI: 00000000000018c2 RDI: 0000000000000006 RBP: 0000000000000001 R08: 000000003957f8c2 R09: 000000003957f8c6 R10: 00007ffe37732ba0 R11: 0000000000000293 R12: 000000000118d9c0 R13: 000000000118d9c0 R14: ffffffffffffffff R15: 000000000118cff4 ================================================================================ netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. device lo entered promiscuous mode binder: 8126:8133 ioctl c0306201 0 returned -14 sp0: Synchronizing with TNC sp0: Synchronizing with TNC binder: 8126:8133 ioctl c0306201 0 returned -14 ip6tnl0: mtu greater than device maximum Dev loop5: unable to read RDB block 1 loop5: unable to read partition table loop5: partition table beyond EOD, truncated loop_reread_partitions: partition scan of loop5 () failed (rc=-5) audit: type=1400 audit(1601240646.705:11): avc: denied { block_suspend } for pid=8269 comm="syz-executor.4" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 syz-executor.5 calls setitimer() with new_value NULL pointer. Misfeature support will be removed netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor.2'. L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. EXT4-fs (loop4): Test dummy encryption mount option ignored EXT4-fs (loop4): mounted filesystem without journal. Opts: test_dummy_encryption,,errors=continue nla_parse: 26 callbacks suppressed netlink: 80 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 80 bytes leftover after parsing attributes in process `syz-executor.2'.