================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:87:38
shift exponent -246 is negative
CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
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+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:__sanitizer_cov_trace_const_cmp1+0x4/0x20 kernel/kcov.c:174
Code: 84 00 00 00 00 00 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 0a ff ff ff 66 2e 0f 1f
RSP: 0018:ffff8880a9a0fcb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a99f61c0 RBX: 0000000000000000 RCX: ffffffff8793dced
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88804df4dc10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000052 R15: 0000000000000000
 rcu_read_unlock include/linux/rcupdate.h:677 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline]
 batadv_nc_worker+0x65d/0xd90 net/batman-adv/network-coding.c:730
 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
================================================================================
================================================================================
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: 7 Comm: kworker/u4:0 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
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
 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:__sanitizer_cov_trace_const_cmp1+0x4/0x20 kernel/kcov.c:174
Code: 84 00 00 00 00 00 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 0a ff ff ff 66 2e 0f 1f
RSP: 0018:ffff8880a9a0fcb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a99f61c0 RBX: 0000000000000000 RCX: ffffffff8793dced
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88804df4dc10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000052 R15: 0000000000000000
 rcu_read_unlock include/linux/rcupdate.h:677 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline]
 batadv_nc_worker+0x65d/0xd90 net/batman-adv/network-coding.c:730
 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
================================================================================
================================================================================
UBSAN: Undefined behaviour in net/core/gen_estimator.c:90:46
shift exponent -246 is negative
CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
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:__sanitizer_cov_trace_const_cmp1+0x4/0x20 kernel/kcov.c:174
Code: 84 00 00 00 00 00 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 0a ff ff ff 66 2e 0f 1f
RSP: 0018:ffff8880a9a0fcb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a99f61c0 RBX: 0000000000000000 RCX: ffffffff8793dced
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88804df4dc10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000052 R15: 0000000000000000
 rcu_read_unlock include/linux/rcupdate.h:677 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline]
 batadv_nc_worker+0x65d/0xd90 net/batman-adv/network-coding.c:730
 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
================================================================================
================================================================================
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: 7 Comm: kworker/u4:0 Not tainted 4.19.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
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:__sanitizer_cov_trace_const_cmp1+0x4/0x20 kernel/kcov.c:174
Code: 84 00 00 00 00 00 48 8b 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 0a ff ff ff 66 2e 0f 1f
RSP: 0018:ffff8880a9a0fcb0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
RAX: ffff8880a99f61c0 RBX: 0000000000000000 RCX: ffffffff8793dced
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff88804df4dc10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000002 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000052 R15: 0000000000000000
 rcu_read_unlock include/linux/rcupdate.h:677 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline]
 batadv_nc_worker+0x65d/0xd90 net/batman-adv/network-coding.c:730
 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
================================================================================
overlayfs: missing 'lowerdir'
overlayfs: missing 'lowerdir'
ldm_validate_privheads(): Disk read failed.
 loop1: p2 < >
loop1: partition table partially beyond EOD, truncated
loop1: p2 size 2 extends beyond EOD, truncated
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
kvm: pic: non byte read
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'.
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: single mode not supported
kvm: pic: non byte read
kvm: pic: single mode not supported
kvm: pic: non byte read
kvm: pic: non byte read
kvm: pic: single mode not supported
kvm: pic: single mode not supported
kvm: pic: single mode not supported
kvm: pic: level sensitive irq not supported
kvm: pic: single mode not supported
kvm: pic: single mode not supported
kvm: pic: single mode not supported
syz-executor.2 uses obsolete (PF_INET,SOCK_PACKET)
kvm: pic: single mode not supported
kvm: pic: single mode not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
kvm: pic: level sensitive irq not supported
FAT-fs (loop2): bogus number of FAT sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop2): bogus number of FAT sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop2): bogus number of FAT sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
syz-executor.1 (9953) used greatest stack depth: 22896 bytes left
overlayfs: filesystem on './bus' not supported as upperdir