net" dev="devtmpfs" ino=1274 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_ Feb 16 23:08:37 syzkaller kern.err kernel: [ 274.743584][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Fai[ 275.150748][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 led to enable software MII access Feb 16 23:08:37 syzkaller kern.notice kernel: [ 274.754660][ T29] audit: type=1400 audit(1739747317.180:12902): avc: denied { read } for[ 275.175027][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access pid=5174 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass Feb 16 23:08:37 syzkaller[ 275.199736][ T30] INFO: task udevd:5991 blocked for more than 143 seconds. kern.warn kernel: [ 274.780316][ T5908] asix 3-1:0.0 (unnamed [ 275.212193][ T30] Not tainted 6.14.0-rc2-syzkaller-00303-gad1b832bf1cf #0 net_device) (uninitialized): Failed to read reg [ 275.223794][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. index 0x0000: -7[ 275.227512][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 1 Feb 16 23:08:37 syzkaller kern.warn kernel: [[ 275.247792][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 274.795488][ T[ 275.254197][ T30] task:udevd state:D 5908] asix 3-1:0[ 275.264227][ T30] stack:24240 pid:5991 tgid:5991 ppid:5192 task_flags:0x400140 flags:0x00000002 .0 (unnamed net_[ 275.266435][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 device) (uninitialized): Failed to write reg ind[ 275.303520][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 ex 0x0000: -71 Feb 16 23:08:38 syzkaller kern.e[ 275.335346][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 rr kernel: [ 274.806930][ T5908[ 275.348472][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 ] asix 3-1:0.0 (unnamed net_devi[ 275.366339][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access ce) (uninitializ[ 275.368544][ T30] ? __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4389 ed): Failed to e[ 275.378841][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 nable software M[ 275.387761][ T30] ? __pfx___schedule+0x10/0x10 II access Feb 1[ 275.395994][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 6 23:08:38 syzka[ 275.412659][ T30] ? sched_submit_work kernel/sched/core.c:6822 [inline] 6 23:08:38 syzka[ 275.412659][ T30] ? schedule+0x298/0x350 kernel/sched/core.c:6855 ller kern.warn k[ 275.412700][ T30] ? __pfx_lock_release+0x10/0x10 kernel/locking/lockdep.c:5372 ernel: [ 274.81[ 275.412724][ T30] ? instrument_atomic_read include/linux/instrumented.h:68 [inline] ernel: [ 274.81[ 275.412724][ T30] ? atomic_long_read include/linux/atomic/atomic-instrumented.h:3188 [inline] ernel: [ 274.81[ 275.412724][ T30] ? __mutex_trylock_common+0x78/0x250 kernel/locking/mutex.c:82 9082][ T5908] as[ 275.412751][ T30] ? lock_acquire+0x2f/0xb0 kernel/locking/lockdep.c:5822 ix 3-1:0.0 (unna[ 275.412802][ T30] __schedule_loop kernel/sched/core.c:6841 [inline] ix 3-1:0.0 (unna[ 275.412802][ T30] schedule+0xe7/0x350 kernel/sched/core.c:6856 med net_device) [ 275.412830][ T30] schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 (uninitialized):[ 275.412845][ T30] __mutex_lock_common kernel/locking/mutex.c:662 [inline] (uninitialized):[ 275.412845][ T30] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 Failed to read [ 275.412863][ T30] ? device_lock include/linux/device.h:1030 [inline] Failed to read [ 275.412863][ T30] ? uevent_show+0x188/0x3b0 drivers/base/core.c:2729 reg index 0x0000[ 275.413069][ T30] ? device_lock include/linux/device.h:1030 [inline] reg index 0x0000[ 275.413069][ T30] ? uevent_show+0x188/0x3b0 drivers/base/core.c:2729 : -71 Feb 16 23[ 275.413156][ T30] ? __pfx_dev_attr_show+0x10/0x10 drivers/base/core.c:5241 :08:38 syzkaller[ 275.413205][ T30] seq_read_iter+0x4f4/0x12b0 fs/seq_file.c:230 kern.warn kerne[ 275.457965][ T30] kernfs_fop_read_iter+0x414/0x580 fs/kernfs/file.c:279 l: [ 274.830997[ 275.497155][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 ][ T5908] asix 3[ 275.502315][ T30] ? rw_verify_area+0xcf/0x680 fs/read_write.c:467 -1:0.0 (unnamed [ 275.539380][ T30] new_sync_read fs/read_write.c:484 [inline] -1:0.0 (unnamed [ 275.539380][ T30] vfs_read+0x886/0xbf0 fs/read_write.c:565 net_device) (uni[ 275.552504][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access nitialized): Failed to write reg index 0x0000: -71 Feb 16 23:08[ 275.574643][ T30] ? __pfx_vfs_read+0x10/0x10 fs/read_write.c:542 :38 syzkaller ke[ 275.579975][ T30] ? __pfx___do_sys_newfstatat+0x10/0x10 include/linux/fs.h:2860 rn.err kernel: [[ 275.588099][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 274.841799][ T[ 275.599596][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 5908] asix 3-1:0[ 275.606673][ T30] ? __pfx_ksys_read+0x10/0x10 include/linux/percpu-rwsem.h:118 .0 (unnamed net_[ 275.614889][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access device) (uniniti[ 275.623931][ T30] do_syscall_x64 arch/x86/entry/common.c:52 [inline] device) (uniniti[ 275.623931][ T30] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 alized): Failed [ 275.633194][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 to enable softwa[ 275.637293][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f re MII access F[ 275.648922][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 eb 16 23:08:38 syzkaller kern.warn kernel: [ 27[ 275.675072][ T30] RSP: 002b:00007fffbdaca6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 4.881284][ T5908[ 275.675718][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access ] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 Feb 16 23:08:38 syzka[ 275.703930][ T30] RAX: ffffffffffffffda RBX: 000055d1704766c0 RCX: 00007fcdc8716b6a ller kern.warn k[ 275.706006][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 ernel: [ 274.89[ 275.713897][ T30] RDX: 0000000000001000 RSI: 000055d1704968a0 RDI: 0000000000000008 3107][ T5908] as[ 275.724968][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 ix 3-1:0.0 (unna[ 275.738144][ T30] RBP: 000055d1704766c0 R08: 0000000000000008 R09: 0000000000000008 med net_device) [ 275.745335][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access (uninitialized):[ 275.758090][ T30] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000 Failed to write[ 275.767410][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 reg index 0x000[ 275.779449][ T30] R13: 0000000000003fff R14: 00007fffbdacaba8 R15: 000000000000000a 0: -71 Feb 16 2[ 275.787004][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 3:08:38 syzkalle[ 275.810942][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access r kern.err kerne[ 275.813172][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 l: [ 274.914056[ 275.833498][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 ][ T5908] asix 3[ 275.844982][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access -1:0.0 (unnamed net_device) (uni[ 275.857242][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 nitialized): Fai[ 275.868736][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 led to enable so[ 275.879910][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access ftware MII acces[ 275.890890][ T30] s Feb 16 23:08:[ 275.890907][ T30] 1 lock held by khungtaskd/30: 38 syzkaller ker[ 275.890918][ T30] #0: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] 38 syzkaller ker[ 275.890918][ T30] #0: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] 38 syzkaller ker[ 275.890918][ T30] #0: ffffffff8e1bcc80 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6746 n.warn kernel: [[ 275.891007][ T30] 5 locks held by kworker/u8:6/2922: 274.940737][ T[ 275.891022][ T30] 4 locks held by syslogd/5174: 5908] asix 3-1:0[ 275.891033][ T30] 2 locks held by getty/5568: .0 (unnamed net_[ 275.891044][ T30] #0: device) (uniniti[ 275.902344][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 alized): Failed [ 275.918072][ T30] ffff88803278f0a0 to read reg inde[ 275.924859][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 x 0x0000: -71 Feb 16 23:08:38 syzkaller kern.warn kernel: [ 274.952276][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 Feb 16 23:08:38 syzk[ 275.983933][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access aller kern.err kernel: [ 274.96[ 275.984499][ T30] ( 3806][ T5908] as[ 275.996495][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 ix 3-1:0.0 (unna[ 276.011537][ T30] &tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 med net_device) [ 276.011578][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 (uninitialized):[ 276.011632][ T30] 3 locks held by kworker/u9:3/5824: Failed to enabl[ 276.011643][ T30] #0: ffff88805a158148 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3211 e software MII a[ 276.011694][ T30] #1: ffffc90003017d18 ccess Feb 16 23[ 276.021135][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 :08:38 syzkaller[ 276.055982][ T30] ( kern.warn kerne[ 276.067534][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access l: [ 274.976367[ 276.067885][ T30] (work_completion)(&hdev->power_on) ][ T5908] asix 3[ 276.086277][ T30] ){+.+.}-{0:0} -1:0.0 (unnamed [ 276.099944][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 net_device) (uni[ 276.100023][ T30] , at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3212 nitialized): Fai[ 276.108206][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access led to read reg [ 276.115177][ T30] #2: ffff888025c04d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_dev_do_open+0x22/0x90 net/bluetooth/hci_core.c:409 index 0x0000: -7[ 276.115251][ T30] 8 locks held by kworker/1:4/5908: 1 Feb 16 23:08:[ 276.115265][ T30] 4 locks held by udevd/5991: 38 syzkaller ker[ 276.115276][ T30] #0: ffff888029b598b8 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xd8/0x12b0 fs/seq_file.c:182 n.warn kernel: [[ 276.115332][ T30] #1: ffff88807a7c7888 (&of->mutex#2){+.+.}-{4:4}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154 274.987532][ T[ 276.123526][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 5908] asix 3-1:0[ 276.133330][ T30] #2: ffff88805ca78008 .0 (unnamed net_[ 276.144457][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 device) (uniniti[ 276.154527][ T30] ( alized): Failed [ 276.156803][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access to write reg ind[ 276.177815][ T30] kn->active ex 0x0000: -71 Feb 16 23:08:38 [ 276.211668][ T30] #5 syzkaller kern.e[ 276.222937][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 rr kernel: [ 27[ 276.225668][ T30] ){.+.+}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155 5.000267][ T5908[ 276.225704][ T30] #3: ffff8880368ba190 (&dev->mutex){....}-{4:4} ] asix 3-1:0.0 ([ 276.244204][ T30] , at: device_lock include/linux/device.h:1030 [inline] ] asix 3-1:0.0 ([ 276.244204][ T30] , at: uevent_show+0x188/0x3b0 drivers/base/core.c:2729 unnamed net_devi[ 276.253651][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 ce) (uninitializ[ 276.263526][ T30] 2 locks held by syz.4.1329/9667: ed): Failed to e[ 276.277979][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 nable software M[ 276.287187][ T30] #0: II access Feb 1[ 276.295292][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to enable software MII access 6 23:08:38 syzka[ 276.308295][ T30] ffff8880356721c0 ller kern.warn k[ 276.315604][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to read reg index 0x0000: -71 ernel: [ 275.01[ 276.333431][ T30] (&tty->legacy_mutex){+.+.}-{4:4}, at: __tty_hangup.part.0+0xb8/0x890 drivers/tty/tty_io.c:584 2480][ T5908] as[ 276.333476][ T30] #1: ffff8880356720a0 (&tty->ldisc_sem){++++}-{0:0}, at: __tty_ldisc_lock drivers/tty/tty_ldisc.c:289 [inline] 2480][ T5908] as[ 276.333476][ T30] #1: ffff8880356720a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_lock+0x65/0xb0 drivers/tty/tty_ldisc.c:313 ix 3-1:0.0 (unna[ 276.333567][ T30] med net_device) [ 276.348866][ T5908] asix 3-1:0.0 (unnamed net_device) (uninitialized): Failed to write reg index 0x0000: -71 (uninitialized):[ 276.365593][ T30] ============================================= Failed to read [ 276.384078][ T30] NMI backtrace for cpu 0 reg index 0x0000[ 276.384088][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.14.0-rc2-syzkaller-00303-gad1b832bf1cf #0 : -71 Feb 16 23[ 276.384105][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 :08:38 syzkaller[ 276.384114][ T30] Call Trace: kern.warn kerne[ 276.384119][ T30] l: [ 275.057618[ 276.384125][ T30] __dump_stack lib/dump_stack.c:94 [inline] l: [ 275.057618[ 276.384125][ T30] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 ][ T5908] asix 3[ 276.384152][ T30] nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 -1:0.0 (unnamed [ 276.384173][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10