================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38
shift exponent -246 is negative
CPU: 1 PID: 10862 Comm: systemd-udevd Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
overlayfs: failed to resolve './fil': -2
 __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
 </IRQ>
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100
Code: 04 0f 88 4c 89 25 fc da bc 0b 41 bc f4 ff ff ff e8 40 7b e9 ff 48 c7 05 e6 da bc 0b 00 00 00 00 e9 39 ec ff ff 90 48 8b 34 24 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 dc 2a 90 7e 81 e2 00 01 1f 00
RSP: 0018:ffff88803f507dd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff88809f975080 RCX: ffffffff81bd3e02
RDX: 0000000000000000 RSI: ffffffff81bd3e10 RDI: 0000000000000005
RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809f9750d8 R14: 0000000000000000 R15: 0000000000000400
 __alloc_fd+0xb0/0x590 fs/file.c:513
 do_sys_open+0x297/0x520 fs/open.c:1083
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc18b6a96f0
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24
RSP: 002b:00007ffd618e7f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055d4da31ad90 RCX: 00007fc18b6a96f0
RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd618e80b0
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000246 R12: 000055d4d8ed068a
R13: 0000000000000001 R14: 00007ffd618e80b0 R15: 00007ffd618e8110
BTRFS info (device loop4): checking UUID tree
================================================================================
================================================================================
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: 1 PID: 10862 Comm: systemd-udevd Not tainted 4.19.148-syzkaller #0
BTRFS warning (device loop4): failed to start uuid_rescan task
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
BTRFS warning (device loop4): failed to check the UUID tree: -4
 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
 </IRQ>
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100
Code: 04 0f 88 4c 89 25 fc da bc 0b 41 bc f4 ff ff ff e8 40 7b e9 ff 48 c7 05 e6 da bc 0b 00 00 00 00 e9 39 ec ff ff 90 48 8b 34 24 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 dc 2a 90 7e 81 e2 00 01 1f 00
RSP: 0018:ffff88803f507dd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff88809f975080 RCX: ffffffff81bd3e02
RDX: 0000000000000000 RSI: ffffffff81bd3e10 RDI: 0000000000000005
RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809f9750d8 R14: 0000000000000000 R15: 0000000000000400
 __alloc_fd+0xb0/0x590 fs/file.c:513
 do_sys_open+0x297/0x520 fs/open.c:1083
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc18b6a96f0
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24
RSP: 002b:00007ffd618e7f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055d4da31ad90 RCX: 00007fc18b6a96f0
RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd618e80b0
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000246 R12: 000055d4d8ed068a
R13: 0000000000000001 R14: 00007ffd618e80b0 R15: 00007ffd618e8110
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46
shift exponent -246 is negative
CPU: 1 PID: 10862 Comm: systemd-udevd Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
 </IRQ>
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100
Code: 04 0f 88 4c 89 25 fc da bc 0b 41 bc f4 ff ff ff e8 40 7b e9 ff 48 c7 05 e6 da bc 0b 00 00 00 00 e9 39 ec ff ff 90 48 8b 34 24 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 dc 2a 90 7e 81 e2 00 01 1f 00
RSP: 0018:ffff88803f507dd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff88809f975080 RCX: ffffffff81bd3e02
RDX: 0000000000000000 RSI: ffffffff81bd3e10 RDI: 0000000000000005
RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809f9750d8 R14: 0000000000000000 R15: 0000000000000400
 __alloc_fd+0xb0/0x590 fs/file.c:513
 do_sys_open+0x297/0x520 fs/open.c:1083
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc18b6a96f0
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24
RSP: 002b:00007ffd618e7f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055d4da31ad90 RCX: 00007fc18b6a96f0
RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd618e80b0
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000246 R12: 000055d4d8ed068a
R13: 0000000000000001 R14: 00007ffd618e80b0 R15: 00007ffd618e8110
================================================================================
================================================================================
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: 10862 Comm: systemd-udevd Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
 </IRQ>
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100
Code: 04 0f 88 4c 89 25 fc da bc 0b 41 bc f4 ff ff ff e8 40 7b e9 ff 48 c7 05 e6 da bc 0b 00 00 00 00 e9 39 ec ff ff 90 48 8b 34 24 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 dc 2a 90 7e 81 e2 00 01 1f 00
RSP: 0018:ffff88803f507dd8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffff88809f975080 RCX: ffffffff81bd3e02
RDX: 0000000000000000 RSI: ffffffff81bd3e10 RDI: 0000000000000005
RBP: 000000000000000f R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809f9750d8 R14: 0000000000000000 R15: 0000000000000400
 __alloc_fd+0xb0/0x590 fs/file.c:513
 do_sys_open+0x297/0x520 fs/open.c:1083
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc18b6a96f0
Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 19 30 2c 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 fe 9d 01 00 48 89 04 24
RSP: 002b:00007ffd618e7f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055d4da31ad90 RCX: 00007fc18b6a96f0
RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffd618e80b0
RBP: 0000000000000008 R08: 0000000000000008 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000246 R12: 000055d4d8ed068a
R13: 0000000000000001 R14: 00007ffd618e80b0 R15: 00007ffd618e8110
================================================================================
BTRFS error (device loop4): open_ctree failed
overlayfs: failed to resolve './file': -2
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
overlayfs: failed to resolve './file': -2
BTRFS info (device loop4): checking UUID tree
overlayfs: failed to resolve './file': -2
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS warning (device loop4): loop4 checksum verify failed on 5283840 wanted 722B496B found 1A0AB621 level 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS warning (device loop4): loop4 checksum verify failed on 5283840 wanted 722B496B found 1A0AB621 level 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS warning (device loop4): loop4 checksum verify failed on 5283840 wanted 722B496B found 1A0AB621 level 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS warning (device loop4): loop4 checksum verify failed on 5283840 wanted 722B496B found 1A0AB621 level 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS warning (device loop4): loop4 checksum verify failed on 5283840 wanted 722B496B found 1A0AB621 level 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS warning (device loop4): loop4 checksum verify failed on 5283840 wanted 722B496B found 1A0AB621 level 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS error (device loop4): bad tree block start, want 5283840 have 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS error (device loop4): bad tree block start, want 5283840 have 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
x_tables: duplicate entry at hook 2
BTRFS error (device loop4): bad tree block start, want 5283840 have 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
netlink: 'syz-executor.2': attribute type 9 has an invalid length.
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
BTRFS error (device loop4): bad tree block start, want 5283840 have 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=106 sclass=netlink_route_socket pid=11764 comm=syz-executor.2
BTRFS info (device loop4): has skinny extents
BTRFS error (device loop4): bad tree block start, want 5283840 have 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
overlayfs: failed to resolve './bus': -2
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS error (device loop4): bad tree block start, want 5283840 have 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed
BTRFS info (device loop4): setting nodatacow, compression disabled
BTRFS info (device loop4): disk space caching is enabled
BTRFS info (device loop4): has skinny extents
BTRFS error (device loop4): bad tree block start, want 5283840 have 0
BTRFS warning (device loop4): failed to read root (objectid=9): -5
BTRFS error (device loop4): open_ctree failed