Warning: Permanently added '10.128.1.52' (ED25519) to the list of known hosts. 2025/06/21 09:59:26 ignoring optional flag "sandboxArg"="0" 2025/06/21 09:59:26 parsed 1 programs [ 80.425634][ T4335] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 81.128148][ T2083] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.130602][ T1641] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 81.136087][ T2083] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 81.151314][ T1641] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.867206][ T4381] netdevsim netdevsim6 netdevsim0: renamed from eth0 [ 82.874718][ T4381] netdevsim netdevsim6 netdevsim1: renamed from eth1 [ 82.882307][ T4381] netdevsim netdevsim6 netdevsim2: renamed from eth2 [ 82.890090][ T4381] netdevsim netdevsim6 netdevsim3: renamed from eth3 2025/06/21 09:59:34 executed programs: 0 [ 90.523307][ T4778] netdevsim netdevsim6 netdevsim0: renamed from eth0 [ 90.536492][ T4778] netdevsim netdevsim6 netdevsim1: renamed from eth1 [ 90.543958][ T4778] netdevsim netdevsim6 netdevsim2: renamed from eth2 [ 90.552830][ T4778] netdevsim netdevsim6 netdevsim3: renamed from eth3 [ 90.580349][ T4784] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 90.596780][ T4790] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 90.604845][ T4789] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 90.613863][ T4784] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 90.621331][ T4789] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 90.629011][ T4789] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 90.644365][ T4790] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 90.651984][ T4784] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 90.660643][ T4789] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 90.676937][ T4790] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 90.686448][ T4784] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 90.709042][ T4790] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 91.075870][ T4772] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 91.099949][ T4772] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 91.112251][ T4772] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 91.146416][ T4772] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 91.154425][ T4777] netdevsim netdevsim7 netdevsim0: renamed from eth0 [ 91.167105][ T4777] netdevsim netdevsim7 netdevsim1: renamed from eth1 [ 91.186924][ T4777] netdevsim netdevsim7 netdevsim2: renamed from eth2 [ 91.236916][ T4777] netdevsim netdevsim7 netdevsim3: renamed from eth3 [ 103.248702][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.256595][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.278080][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.285911][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 09:59:51 executed programs: 12 [ 103.472828][ T2183] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.480720][ T2183] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.496209][ T1907] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.504031][ T1907] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.676010][ T1706] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.683857][ T1706] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.696506][ T1907] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.704308][ T1907] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.739462][ T1907] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.747357][ T1907] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.809130][ T1641] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.817021][ T1641] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.274099][ T2083] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.282015][ T2083] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.302875][ T1907] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.310823][ T1907] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.554234][ T1706] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.562480][ T1706] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 104.592842][ T1907] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 104.600776][ T1907] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 09:59:56 executed programs: 584 2025/06/21 10:00:01 executed programs: 1251 2025/06/21 10:00:06 executed programs: 1945 2025/06/21 10:00:11 executed programs: 2706 2025/06/21 10:00:16 executed programs: 3297 2025/06/21 10:00:22 executed programs: 3722 [ 133.764069][T14325] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 133.784389][T14325] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 133.817347][T14325] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 133.845708][T14325] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 134.938340][T14652] netdevsim netdevsim8 netdevsim0: renamed from eth0 [ 134.995206][T14652] netdevsim netdevsim8 netdevsim1: renamed from eth1 [ 135.013880][T14652] netdevsim netdevsim8 netdevsim2: renamed from eth2 [ 135.042689][T14652] netdevsim netdevsim8 netdevsim3: renamed from eth3 2025/06/21 10:00:27 executed programs: 4169 2025/06/21 10:00:32 executed programs: 4670 [ 146.513367][ T2083] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 146.521567][ T2083] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 146.545610][ T1975] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 146.553520][ T1975] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 148.044123][ T1577] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.052050][ T1577] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 148.077871][ T39] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 148.085741][ T39] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:00:37 executed programs: 5251 [ 152.317436][T19124] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 152.337826][T19124] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 152.369304][T19124] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 152.390314][T19124] netdevsim netdevsim3 netdevsim3: renamed from eth3 2025/06/21 10:00:42 executed programs: 5964 2025/06/21 10:00:47 executed programs: 6673 [ 162.998657][ T39] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 163.006535][ T39] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 163.037520][ T72] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 163.045400][ T72] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:00:52 executed programs: 7391 [ 167.224078][T23728] netdevsim netdevsim6 netdevsim0: renamed from eth0 [ 167.249398][T23728] netdevsim netdevsim6 netdevsim1: renamed from eth1 [ 167.266325][T23728] netdevsim netdevsim6 netdevsim2: renamed from eth2 [ 167.278598][T23728] netdevsim netdevsim6 netdevsim3: renamed from eth3 2025/06/21 10:00:57 executed programs: 8106 2025/06/21 10:01:02 executed programs: 8816 [ 177.745509][ T1706] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 177.753398][ T1706] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 177.764434][ T1641] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 177.772317][ T1641] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:01:07 executed programs: 9520 [ 182.000118][T28243] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 182.023544][T28243] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 182.051959][T28243] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 182.074398][T28243] netdevsim netdevsim0 netdevsim3: renamed from eth3 2025/06/21 10:01:12 executed programs: 10240 2025/06/21 10:01:17 executed programs: 10953 [ 192.702385][ T38] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 192.710284][ T38] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 192.737991][ T1577] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 192.746048][ T1577] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:01:22 executed programs: 11647 [ 197.049823][ T370] netdevsim netdevsim7 netdevsim0: renamed from eth0 [ 197.069784][ T370] netdevsim netdevsim7 netdevsim1: renamed from eth1 [ 197.084173][ T370] netdevsim netdevsim7 netdevsim2: renamed from eth2 [ 197.103740][ T370] netdevsim netdevsim7 netdevsim3: renamed from eth3 2025/06/21 10:01:27 executed programs: 12366 2025/06/21 10:01:32 executed programs: 13070 [ 208.123906][ T1907] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 208.131856][ T1907] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 208.149970][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 208.157900][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:01:37 executed programs: 13792 [ 212.329656][ T5155] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 212.356487][ T5155] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 212.370352][ T5155] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 212.392703][ T5155] netdevsim netdevsim3 netdevsim3: renamed from eth3 2025/06/21 10:01:42 executed programs: 14502 2025/06/21 10:01:47 executed programs: 15219 [ 222.890255][ T1975] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 222.898347][ T1975] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 222.910131][ T38] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 222.918311][ T38] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:01:52 executed programs: 15918 [ 227.009476][ T9699] netdevsim netdevsim8 netdevsim0: renamed from eth0 [ 227.047151][ T9699] netdevsim netdevsim8 netdevsim1: renamed from eth1 [ 227.077034][ T9699] netdevsim netdevsim8 netdevsim2: renamed from eth2 [ 227.090095][ T9699] netdevsim netdevsim8 netdevsim3: renamed from eth3 2025/06/21 10:01:57 executed programs: 16642 2025/06/21 10:02:02 executed programs: 17342 [ 237.862675][ T1907] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 237.870574][ T1907] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 237.891880][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 237.899807][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:02:07 executed programs: 18035 [ 242.234063][T14252] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 242.267744][T14252] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 242.301157][T14252] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 242.342139][T14252] netdevsim netdevsim5 netdevsim3: renamed from eth3 2025/06/21 10:02:12 executed programs: 18745 2025/06/21 10:02:17 executed programs: 19448 [ 253.053796][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 253.062021][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 253.097160][ T1975] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 253.105005][ T1975] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:02:22 executed programs: 20145 [ 257.181721][T18848] netdevsim netdevsim7 netdevsim0: renamed from eth0 [ 257.205109][T18848] netdevsim netdevsim7 netdevsim1: renamed from eth1 [ 257.230933][T18848] netdevsim netdevsim7 netdevsim2: renamed from eth2 [ 257.262437][T18848] netdevsim netdevsim7 netdevsim3: renamed from eth3 2025/06/21 10:02:27 executed programs: 20844 2025/06/21 10:02:32 executed programs: 21557 [ 268.250910][ T1706] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 268.259056][ T1706] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 268.293534][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 268.301468][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 2025/06/21 10:02:37 executed programs: 22223 [ 272.956136][ T31] INFO: task syz.4.1378:10380 blocked for more than 143 seconds. [ 272.963926][ T31] Not tainted 6.16.0-rc2-syzkaller #0 [ 272.969965][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 272.978717][ T31] task:syz.4.1378 state:D stack:12600 pid:10380 tgid:10379 ppid:4789 task_flags:0x400140 flags:0x00004004 [ 272.990724][ T31] Call Trace: [ 272.994017][ T31] [ 272.997027][ T31] __schedule+0x77b/0xc70 [ 273.001371][ T31] ? schedule+0xac/0x140 [ 273.005682][ T31] ? schedule+0x21/0x140 [ 273.010054][ T31] schedule+0xac/0x140 [ 273.014135][ T31] schedule_preempt_disabled+0x32/0x60 [ 273.019696][ T31] rwsem_down_read_slowpath+0x241/0x520 [ 273.025396][ T31] down_read+0x86/0xf0 [ 273.029684][ T31] __rmap_walk_file+0x13e/0x380 [ 273.034548][ T31] migrate_pages+0x6e7/0x1470 [ 273.039311][ T31] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 273.046387][ T31] ? __pfx_remove_migration_pte+0x10/0x10 [ 273.052134][ T31] __se_sys_mbind+0x879/0xa00 [ 273.056919][ T31] do_syscall_64+0x8f/0x250 [ 273.061442][ T31] ? fpregs_assert_state_consistent+0x3a/0x60 [ 273.067581][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.073229][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.079160][ T31] RIP: 0033:0x7fef3a985d19 [ 273.083571][ T31] RSP: 002b:00007fef3b760038 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 273.092033][ T31] RAX: ffffffffffffffda RBX: 00007fef3ab75fa0 RCX: 00007fef3a985d19 [ 273.100044][ T31] RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020001000 [ 273.108094][ T31] RBP: 00007fef3aa01a20 R08: 0000000000000000 R09: 0000000000000002 [ 273.116092][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 273.124066][ T31] R13: 0000000000000000 R14: 00007fef3ab75fa0 R15: 00007ffc9ae60c28 [ 273.132161][ T31] [ 273.363354][ T31] INFO: task syz.4.1378:10401 blocked for more than 143 seconds. [ 273.371166][ T31] Not tainted 6.16.0-rc2-syzkaller #0 [ 273.377102][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 273.385761][ T31] task:syz.4.1378 state:D stack:13888 pid:10401 tgid:10379 ppid:4789 task_flags:0x400040 flags:0x00004004 [ 273.397745][ T31] Call Trace: [ 273.401030][ T31] [ 273.403957][ T31] __schedule+0x77b/0xc70 [ 273.408341][ T31] ? schedule+0xac/0x140 [ 273.412628][ T31] ? schedule+0x21/0x140 [ 273.416978][ T31] schedule+0xac/0x140 [ 273.421067][ T31] io_schedule+0x3f/0x60 [ 273.425379][ T31] folio_wait_bit_common+0x36b/0x650 [ 273.430739][ T31] ? __pfx_wake_page_function+0x10/0x10 [ 273.436444][ T31] __filemap_get_folio+0xda/0x850 [ 273.441615][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.447338][ T31] ? vma_interval_tree_iter_next+0xdb/0x1a0 [ 273.453246][ T31] hugetlbfs_zero_partial_page+0x42/0x210 [ 273.459055][ T31] ? hugetlbfs_fallocate+0x624/0x8c0 [ 273.464357][ T31] hugetlbfs_fallocate+0x639/0x8c0 [ 273.469548][ T31] ? __page_table_check_zero+0x74/0x240 [ 273.475107][ T31] ? __page_table_check_zero+0x74/0x240 [ 273.480739][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.486458][ T31] vfs_fallocate+0x3b7/0x400 [ 273.491065][ T31] madvise_do_behavior+0xc35/0x1d40 [ 273.496335][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.501976][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.507673][ T31] ? preempt_count_add+0x53/0x90 [ 273.512627][ T31] do_madvise+0x18b/0x210 [ 273.517027][ T31] __x64_sys_madvise+0x2d/0x40 [ 273.521798][ T31] do_syscall_64+0x8f/0x250 [ 273.526348][ T31] ? fpregs_assert_state_consistent+0x3a/0x60 [ 273.532432][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.538172][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.544065][ T31] RIP: 0033:0x7fef3a985d19 [ 273.548653][ T31] RSP: 002b:00007fef3b70c038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 273.557107][ T31] RAX: ffffffffffffffda RBX: 00007fef3ab76080 RCX: 00007fef3a985d19 [ 273.565074][ T31] RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000000020000000 [ 273.573096][ T31] RBP: 00007fef3aa01a20 R08: 0000000000000000 R09: 0000000000000000 [ 273.581086][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 273.589084][ T31] R13: 0000000000000001 R14: 00007fef3ab76080 R15: 00007ffc9ae60c28 [ 273.597195][ T31] [ 273.640912][ T31] [ 273.640912][ T31] Showing all locks held in the system: [ 273.648745][ T31] 1 lock held by khungtaskd/31: [ 273.653595][ T31] #0: ffffffff85002fe0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100 [ 273.663567][ T31] 2 locks held by kworker/u8:5/1577: [ 273.668930][ T31] #0: ffff888101340148 ((wq_completion)iou_exit){....}-{0:0}, at: process_scheduled_works+0x34c/0x8c0 [ 273.680254][ T31] #1: ffffc900027b7e28 ((work_completion)(&ctx->exit_work)){....}-{0:0}, at: process_scheduled_works+0x373/0x8c0 [ 273.692351][ T31] 2 locks held by kworker/u8:11/1975: [ 273.697769][ T31] #0: ffff888100074948 ((wq_completion)events_unbound){....}-{0:0}, at: process_scheduled_works+0x34c/0x8c0 [ 273.709445][ T31] #1: ffffc90003307e28 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_scheduled_works+0x373/0x8c0 [ 273.721535][ T31] 2 locks held by kworker/u8:12/2083: [ 273.726975][ T31] #0: ffff888101340148 ((wq_completion)iou_exit){....}-{0:0}, at: process_scheduled_works+0x34c/0x8c0 [ 273.738104][ T31] #1: ffffc900034efe28 ((work_completion)(&ctx->exit_work)){....}-{0:0}, at: process_scheduled_works+0x373/0x8c0 [ 273.750273][ T31] 2 locks held by getty/2762: [ 273.754948][ T31] #0: ffff888106f660a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x50 [ 273.764893][ T31] #1: ffffc900042e32f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x257/0xba0 [ 273.774973][ T31] 2 locks held by udevd/7398: [ 273.779679][ T31] 1 lock held by syz.4.1378/10380: [ 273.784786][ T31] #0: ffff888103a81f70 (&hugetlbfs_i_mmap_rwsem_key){....}-{3:3}, at: __rmap_walk_file+0x13e/0x380 [ 273.795642][ T31] 3 locks held by syz.4.1378/10401: [ 273.800876][ T31] #0: ffff8881036ab418 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x39a/0x400 [ 273.810271][ T31] #1: ffff888103a81ca8 (&sb->s_type->i_mutex_key#19){....}-{3:3}, at: hugetlbfs_fallocate+0x172/0x8c0 [ 273.821385][ T31] #2: ffff888103a81f70 (&hugetlbfs_i_mmap_rwsem_key){....}-{3:3}, at: hugetlbfs_fallocate+0x216/0x8c0 [ 273.832505][ T31] 2 locks held by udevd/13321: [ 273.837317][ T31] 1 lock held by syz.3.22642/24578: [ 273.842515][ T31] #0: ffffffff85003ff8 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0x2df/0x620 [ 273.853549][ T31] 1 lock held by syz.6.22644/24584: [ 273.858915][ T31] #0: ffffffff85003ff8 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0x179/0x620 [ 273.869880][ T31] [ 273.872208][ T31] ============================================= [ 273.872208][ T31] [ 273.880649][ T31] NMI backtrace for cpu 1 [ 273.880661][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(undef) [ 273.880684][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 273.880695][ T31] Call Trace: [ 273.880701][ T31] [ 273.880707][ T31] dump_stack_lvl+0x11f/0x1b0 [ 273.880744][ T31] nmi_cpu_backtrace+0x227/0x240 [ 273.880770][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 273.880798][ T31] nmi_trigger_cpumask_backtrace+0xea/0x200 [ 273.880826][ T31] watchdog+0x8ff/0x940 [ 273.880847][ T31] ? watchdog+0x138/0x940 [ 273.880869][ T31] kthread+0x2bd/0x300 [ 273.880891][ T31] ? __pfx_watchdog+0x10/0x10 [ 273.880911][ T31] ? __pfx_kthread+0x10/0x10 [ 273.880935][ T31] ret_from_fork+0x138/0x240 [ 273.880958][ T31] ? __pfx_kthread+0x10/0x10 [ 273.880981][ T31] ret_from_fork_asm+0x1a/0x30 [ 273.881008][ T31] [ 273.881013][ T31] Sending NMI from CPU 1 to CPUs 0: [ 273.977434][ C0] NMI backtrace for cpu 0 [ 273.977445][ C0] CPU: 0 UID: 0 PID: 24602 Comm: modprobe Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(undef) [ 273.977465][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 273.977475][ C0] RIP: 0010:mas_next_node+0x3f3/0x560 [ 273.977501][ C0] Code: 49 8d 5f 08 eb 07 e8 fc 46 6e fd 31 db 0f b6 ad 90 35 b9 84 44 89 ef 89 ee e8 69 47 6e fd 41 38 ed 4a 8d 04 eb 48 8b 4c 24 18 <48> 0f 43 c1 48 8b 18 48 89 19 4c 89 f5 48 81 e5 00 ff ff ff 45 89 [ 273.977515][ C0] RSP: 0018:ffffc90003c27878 EFLAGS: 00000293 [ 273.977528][ C0] RAX: ffff8881619c7510 RBX: ffff8881619c7508 RCX: ffffc90003c27980 [ 273.977538][ C0] RDX: ffff88811110b700 RSI: 0000000000000009 RDI: 0000000000000001 [ 273.977549][ C0] RBP: 0000000000000009 R08: ffff88811110b700 R09: 0000000000000004 [ 273.977560][ C0] R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000003 [ 273.977569][ C0] R13: 0000000000000001 R14: ffff8881619c760c R15: ffff8881619c7500 [ 273.977582][ C0] FS: 0000000000000000(0000) GS:ffff8882b11a9000(0000) knlGS:0000000000000000 [ 273.977595][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 273.977607][ C0] CR2: 00007f5a6e320000 CR3: 00000001712de000 CR4: 0000000000350ef0 [ 273.977619][ C0] Call Trace: [ 273.977625][ C0] [ 273.977633][ C0] mt_validate+0x163b/0x2110 [ 273.977655][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.977683][ C0] validate_mm+0x89/0x2b0 [ 273.977704][ C0] mmap_region+0xb68/0x1160 [ 273.977740][ C0] do_mmap+0x8a9/0xa90 [ 273.977768][ C0] vm_mmap_pgoff+0x160/0x2c0 [ 273.977790][ C0] ksys_mmap_pgoff+0x226/0x2d0 [ 273.977818][ C0] do_syscall_64+0x8f/0x250 [ 273.977847][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 273.977869][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 273.977896][ C0] RIP: 0033:0x7f5a6e34b242 [ 273.977907][ C0] Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00 [ 273.977921][ C0] RSP: 002b:00007ffe627b8ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 273.977935][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a6e34b242 [ 273.977945][ C0] RDX: 0000000000000001 RSI: 0000000000010010 RDI: 0000000000000000 [ 273.977955][ C0] RBP: 0000000000000802 R08: 0000000000000000 R09: 0000000000000000 [ 273.977965][ C0] R10: 0000000000000802 R11: 0000000000000246 R12: 0000000000000000 [ 273.977975][ C0] R13: 00007f5a6e31fb20 R14: 00007ffe627b9430 R15: 00000fffcc4f7202 [ 273.977989][ C0] [ 273.978431][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 274.233813][ T31] Kernel Offset: disabled [ 274.238120][ T31] Rebooting in 86400 seconds..