INFO: task syz-executor.0:13628 blocked for more than 143 seconds. Not tainted 6.10.0-rc1-syzkaller-00013-g2bfcfd584ff5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:25616 pid:13628 tgid:13614 ppid:10136 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 jbd2_log_wait_commit+0x29f/0x4a0 fs/jbd2/journal.c:697 ext4_fc_commit+0x1d5/0x2060 fs/ext4/fast_commit.c:1199 ext4_fallocate+0xdd4/0x1ff0 fs/ext4/extents.c:4797 vfs_fallocate+0x566/0x6c0 fs/open.c:330 ksys_fallocate fs/open.c:353 [inline] __do_sys_fallocate fs/open.c:361 [inline] __se_sys_fallocate fs/open.c:359 [inline] __x64_sys_fallocate+0xbd/0x110 fs/open.c:359 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcc0b87cee9 RSP: 002b:00007fcc0c6090c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fcc0b9b4050 RCX: 00007fcc0b87cee9 RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 00007fcc0b8c947f R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000001f R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fcc0b9b4050 R15: 00007fff3ba354a8 INFO: task syz-executor.0:13630 blocked for more than 143 seconds. Not tainted 6.10.0-rc1-syzkaller-00013-g2bfcfd584ff5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:26832 pid:13630 tgid:13614 ppid:10136 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5408 [inline] __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745 __schedule_loop kernel/sched/core.c:6822 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6837 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894 rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178 __down_write_common+0x1af/0x200 kernel/locking/rwsem.c:1306 inode_lock include/linux/fs.h:791 [inline] process_measurement+0x43c/0x1fb0 security/integrity/ima/ima_main.c:250 ima_file_check+0xf2/0x170 security/integrity/ima/ima_main.c:572 security_file_post_open+0x6f/0xa0 security/security.c:2982 do_open fs/namei.c:3652 [inline] path_openat+0x28f6/0x3280 fs/namei.c:3807 do_filp_open+0x235/0x490 fs/namei.c:3834 do_sys_openat2+0x13e/0x1d0 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_sys_openat fs/open.c:1436 [inline] __se_sys_openat fs/open.c:1431 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1431 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcc0b87cee9 RSP: 002b:00007fcc0c5e80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fcc0b9b4120 RCX: 00007fcc0b87cee9 RDX: 0000000000141842 RSI: 0000000020000440 RDI: ffffffffffffff9c RBP: 00007fcc0b8c947f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fcc0b9b4120 R15: 00007fff3ba354a8 Showing all locks held in the system: 3 locks held by kworker/u8:0/11: #0: ffff888029a1f948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888029a1f948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90000107d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90000107d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4193 1 lock held by khungtaskd/30: #0: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8e333f60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 6 locks held by kworker/1:2/57: 2 locks held by getty/4845: #0: ffff88802aaf50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201 3 locks held by syz-fuzzer/5084: #0: ffff88802f9e8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff888059284a00 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline] #1: ffff888059284a00 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x26a/0x830 fs/namei.c:4394 #2: ffff888059308e00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #2: ffff888059308e00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: vfs_unlink+0xe4/0x650 fs/namei.c:4332 3 locks held by kworker/0:4/5175: #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015079948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc900031f7d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc900031f7d00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x91/0xea0 net/wireless/reg.c:2478 3 locks held by kworker/0:5/5177: #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90003057d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90003057d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 3 locks held by kworker/1:3/5178: 2 locks held by kworker/1:7/5220: 1 lock held by syz-executor.3/13475: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 8 locks held by syz-executor.2/13574: #0: ffff88801e500420 (sb_writers#8){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline] #0: ffff88801e500420 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x227/0xc90 fs/read_write.c:586 #1: ffff888057c5ec88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x500 fs/kernfs/file.c:325 #2: ffff8880225fe0f8 (kn->active#50){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x500 fs/kernfs/file.c:326 #3: ffffffff8eef5028 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:216 #4: ffff8880628e90e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline] #4: ffff8880628e90e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline] #4: ffff8880628e90e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7c0 drivers/base/dd.c:1290 #5: ffff8880628ea250 (&devlink->lock_key#20){+.+.}-{3:3}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1672 #6: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x71/0x5c0 drivers/net/netdevsim/netdev.c:772 #7: ffffffff8e1ce570 (cpu_hotplug_lock){++++}-{0:0}, at: flush_all_backlogs net/core/dev.c:5983 [inline] #7: ffffffff8e1ce570 (cpu_hotplug_lock){++++}-{0:0}, at: unregister_netdevice_many_notify+0x607/0x16b0 net/core/dev.c:11200 7 locks held by syz-executor.1/13608: 2 locks held by syz-executor.0/13628: #0: ffff88802f9e8420 (sb_writers#4){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline] #0: ffff88802f9e8420 (sb_writers#4){.+.+}-{0:0}, at: vfs_fallocate+0x4d3/0x6c0 fs/open.c:329 #1: ffff888059308e00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff888059308e00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: ext4_fallocate+0x29c/0x1ff0 fs/ext4/extents.c:4766 1 lock held by syz-executor.0/13630: #0: ffff888059308e00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #0: ffff888059308e00 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: process_measurement+0x43c/0x1fb0 security/integrity/ima/ima_main.c:250 1 lock held by syz-executor.5/13660: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.4/13665: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.1/13667: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.5/13672: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.4/13671: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.3/13676: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.2/13679: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 3 locks held by kworker/0:0/13681: #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline] #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312 #1: ffffc90003387d00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline] #1: ffffc90003387d00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312 #2: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104 1 lock held by syz-executor.1/13684: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.5/13688: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.4/13690: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.3/13693: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.2/13696: #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5e70c8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc1-syzkaller-00013-g2bfcfd584ff5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xfde/0x1020 kernel/hung_task.c:379 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 13608 Comm: syz-executor.1 Not tainted 6.10.0-rc1-syzkaller-00013-g2bfcfd584ff5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:unwind_next_frame+0x1e77/0x2a00 arch/x86/kernel/unwind_orc.c:672 Code: eb 0c e8 cc 18 55 00 eb 05 e8 c5 18 55 00 bf 01 00 00 00 e8 0b 8d 24 00 65 8b 1d 3c d7 c2 7e 31 ff 89 de e8 eb 1c 55 00 85 db <0f> 84 9d 02 00 00 e8 9e 18 55 00 b0 01 e9 1d fd ff ff 80 3d f8 b6 RSP: 0018:ffffc90000a17468 EFLAGS: 00000006 RAX: 0000000000010103 RBX: 0000000000010103 RCX: 0000000000010104 RDX: ffff888026921e00 RSI: 0000000000010103 RDI: 0000000000000000 RBP: ffffc90000a17540 R08: ffffffff8140fdd5 R09: ffffffff8140f8cf R10: 0000000000000003 R11: ffff888026921e00 R12: ffffc90000a18f60 R13: dffffc0000000000 R14: ffffc90000a11000 R15: ffffc90000a18f68 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e132000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:370 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace_noprof+0x19c/0x2c0 mm/slub.c:4152 kmalloc_noprof include/linux/slab.h:660 [inline] dummy_urb_enqueue+0x7d/0x760 drivers/usb/gadget/udc/dummy_hcd.c:1271 usb_hcd_submit_urb+0x36e/0x1e80 drivers/usb/core/hcd.c:1533 ath9k_hif_usb_reg_in_cb+0x472/0x650 drivers/net/wireless/ath/ath9k/hif_usb.c:792 __usb_hcd_giveback_urb+0x375/0x530 drivers/usb/core/hcd.c:1648 dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1751 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:90 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline] RIP: 0010:unwind_next_frame+0x2e1/0x2a00 arch/x86/kernel/unwind_orc.c:494 Code: c1 0f 83 bd 1d 00 00 4b 8d 0c 64 48 8d 8c 09 0c 00 2b 90 48 39 c1 0f 87 a8 1d 00 00 44 89 e7 44 89 fe e8 02 36 55 00 45 39 fc <0f> 85 70 01 00 00 e8 34 34 55 00 48 8b 04 24 49 bd 00 00 00 00 00 RSP: 0018:ffffc90000a18268 EFLAGS: 00000212 RAX: 0000000000000103 RBX: ffffffff90fc4cbc RCX: ffffffff90c57364 RDX: ffff888026921e00 RSI: 000000000019bdd7 RDI: 000000000019bde4 RBP: 00000000000a032a R08: ffffffff8140e23e R09: ffffc90000a18430 R10: 0000000000000003 R11: ffffffff8181cfd0 R12: 000000000019bde4 R13: 00000000000ac001 R14: dffffc0000000000 R15: 000000000019bdd7 arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:312 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3940 [inline] slab_alloc_node mm/slub.c:4000 [inline] kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4043 kmalloc_reserve+0xa8/0x2a0 net/core/skbuff.c:575 __alloc_skb+0x1f3/0x440 net/core/skbuff.c:666 skb_copy+0x12b/0x820 net/core/skbuff.c:2124 mac80211_hwsim_tx_frame_no_nl+0x1068/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1857 mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2206 mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2306 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2336 __run_hrtimer kernel/time/hrtimer.c:1687 [inline] __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1751 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1768 handle_softirqs+0x2c6/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:preempt_schedule_irq+0xf6/0x1c0 kernel/sched/core.c:7067 Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 8b 00 00 00 bf 01 00 00 00 e8 85 08 d6 f5 e8 b0 02 0e f6 fb bf 01 00 00 00 95 ad ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 05 57 6c f6 48 RSP: 0018:ffffc90003976de0 EFLAGS: 00000282 RAX: 1d3f21209d494600 RBX: 1ffff9200072edc4 RCX: ffffffff8172c78a RDX: dffffc0000000000 RSI: ffffffff8bcaba80 RDI: 0000000000000001 RBP: ffffc90003976e90 R08: ffffffff92fa85af R09: 1ffffffff25f50b5 R10: dffffc0000000000 R11: fffffbfff25f50b6 R12: 1ffff9200072edbc R13: 1ffff9200072edc0 R14: ffffc90003976e00 R15: dffffc0000000000 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:arch_try_cmpxchg128 arch/x86/include/asm/cmpxchg_64.h:84 [inline] RIP: 0010:__update_freelist_fast mm/slub.c:666 [inline] RIP: 0010:slab_update_freelist mm/slub.c:736 [inline] RIP: 0010:__slab_free+0x186/0x3d0 mm/slub.c:4288 Code: c6 00 02 00 00 75 3b 48 8b 3c 24 4c 89 e6 48 89 ea 48 8b 4c 24 20 4d 89 f8 e8 86 dc ff ff 89 c3 eb 43 48 8b 5c 24 20 4c 89 f9 <48> 89 ea 4c 89 e0 48 8b 34 24 f0 48 0f c7 4e 20 0f 84 c3 00 00 00 RSP: 0018:ffffc90003976f50 EFLAGS: 00000202 RAX: ffff888015041a00 RBX: ffff8880437e0a00 RCX: 0000000000100005 RDX: ffff8880437e0a00 RSI: ffffea00010df800 RDI: ffff888015041a00 RBP: 0000000000100006 R08: 0000000000000001 R09: ffffffff81fbe5d3 R10: dffffc0000000000 R11: fffffbfff25f50b6 R12: ffff8880437e0900 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000100005 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3940 [inline] slab_alloc_node mm/slub.c:4000 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4007 insert_revoke_hash+0x29/0x2a0 fs/jbd2/revoke.c:145 __ext4_forget+0x332/0x9a0 fs/ext4/ext4_jbd2.c:307 ext4_free_blocks+0x6e7/0x2270 fs/ext4/mballoc.c:6649 ext4_remove_blocks fs/ext4/extents.c:2521 [inline] ext4_ext_rm_leaf fs/ext4/extents.c:2686 [inline] ext4_ext_remove_space+0x21a2/0x4e40 fs/ext4/extents.c:2934 ext4_ext_truncate+0x159/0x2b0 fs/ext4/extents.c:4441 ext4_truncate+0xa18/0x1180 fs/ext4/inode.c:4139 ext4_evict_inode+0x90f/0xf50 fs/ext4/inode.c:258 evict+0x2aa/0x630 fs/inode.c:667 __dentry_kill+0x20d/0x630 fs/dcache.c:603 dput+0x19f/0x2b0 fs/dcache.c:845 path_put+0x39/0x60 fs/namei.c:561 free_fs_struct fs/fs_struct.c:91 [inline] exit_fs+0xe9/0x140 fs/fs_struct.c:108 do_exit+0xa10/0x27e0 kernel/exit.c:870 do_group_exit+0x207/0x2c0 kernel/exit.c:1023 get_signal+0x16a1/0x1740 kernel/signal.c:2909 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff65447cfa7 Code: Unable to access opcode bytes at 0x7ff65447cf7d. RSP: 002b:00007ffd0798f6f8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: 0000000000000000 RBX: 00007ff6551d16c0 RCX: 00007ff65447cfa7 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007ff6551b2000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffd0798f950 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 vkms_vblank_simulate: vblank timer overrun