loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root input: syz0 as /devices/virtual/input/input61 BTRFS error (device loop1): open_ctree failed ================================================================================ UBSAN: Undefined behaviour in ./include/net/sch_generic.h:1051:7 shift exponent 129 is too large for 32-bit type 'int' CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.150-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 qdisc_l2t include/net/sch_generic.h:1051 [inline] cbq_update net/sched/sch_cbq.c:567 [inline] cbq_dequeue.cold+0x189/0x18e net/sched/sch_cbq.c:814 dequeue_skb net/sched/sch_generic.c:282 [inline] qdisc_restart net/sched/sch_generic.c:385 [inline] __qdisc_run+0x1b9/0x1680 net/sched/sch_generic.c:403 qdisc_run include/net/pkt_sched.h:120 [inline] net_tx_action+0x520/0xce0 net/core/dev.c:4592 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 run_ksoftirqd+0x57/0x130 kernel/softirq.c:653 smpboot_thread_fn+0x66e/0xa30 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ================================================================================ BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag input: syz0 as /devices/virtual/input/input62 BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 input: syz0 as /devices/virtual/input/input72 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag input: syz0 as /devices/virtual/input/input73 BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature input: syz0 as /devices/virtual/input/input74 attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device input: syz0 as /devices/virtual/input/input75 loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed input: syz0 as /devices/virtual/input/input76 BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature input: syz0 as /devices/virtual/input/input77 input: syz0 as /devices/virtual/input/input78 attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled input: syz0 as /devices/virtual/input/input79 BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 input: syz0 as /devices/virtual/input/input80 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled input: syz0 as /devices/virtual/input/input81 BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed input: syz0 as /devices/virtual/input/input82 BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature input: syz0 as /devices/virtual/input/input83 attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device input: syz0 as /devices/virtual/input/input84 loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed input: syz0 as /devices/virtual/input/input85 BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents input: syz0 as /devices/virtual/input/input86 BTRFS info (device loop1): flagging fs with big metadata feature input: syz0 as /devices/virtual/input/input87 attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root input: syz0 as /devices/virtual/input/input91 BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed input: syz0 as /devices/virtual/input/input92 BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature input: syz0 as /devices/virtual/input/input93 attempt to access beyond end of device loop1: rw=4096, want=43072, limit=267 input: syz0 as /devices/virtual/input/input94 attempt to access beyond end of device loop1: rw=4096, want=59456, limit=267 BTRFS error (device loop1): failed to read chunk root BTRFS error (device loop1): open_ctree failed BTRFS info (device loop1): setting 8 feature flag BTRFS info (device loop1): force lzo compression, level 0 BTRFS info (device loop1): disk space caching is enabled BTRFS info (device loop1): has skinny extents BTRFS info (device loop1): flagging fs with big metadata feature BTRFS error (device loop1): open_ctree failed