Extracting prog: 1m1.728012882s
Minimizing prog: 7m58.84006654s
Simplifying prog options: 2m22.255384581s
Extracting C: 46.438784836s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program crashed: WARNING: locking bug in __rmqueue_pcplist
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
quotactl_fd$Q_GETNEXTQUOTA(0xffffffffffffffff, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(0x0, 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, 0x0, &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', 0x0, 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, 0x0)
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(0x0)
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
program did not crash
simplifying guilty program options
testing program (duration=35.395174753s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
testing program (duration=35.395174753s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-chdir-openat$cgroup_ro-quotactl_fd$Q_GETNEXTQUOTA
detailed listing:
executing program 0:
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000240)='./file1\x00', &(0x7f0000000000)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='net_prio.prioidx\x00', 0x275a, 0x0)
quotactl_fd$Q_GETNEXTQUOTA(r0, 0xffffffff80000901, 0x0, 0x0)
program did not crash
reproducing took 12m9.262279272s
repro crashed as (corrupted=false):
=============================
[ BUG: Invalid wait context ]
6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0 Not tainted
-----------------------------
udevd/5352 is trying to lock:
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2307 [inline]
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x6bb/0x1600 mm/page_alloc.c:3001
other info that might help us debug this:
context-{2:2}
2 locks held by udevd/5352:
#0: ffff88806a73ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3030 [inline]
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3074 [inline]
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x350/0x2f80 mm/page_alloc.c:3471
stack backtrace:
CPU: 1 UID: 0 PID: 5352 Comm: udevd Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline]
check_wait_context kernel/locking/lockdep.c:4898 [inline]
__lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5176
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
rmqueue_bulk mm/page_alloc.c:2307 [inline]
__rmqueue_pcplist+0x6bb/0x1600 mm/page_alloc.c:3001
rmqueue_pcplist mm/page_alloc.c:3043 [inline]
rmqueue mm/page_alloc.c:3074 [inline]
get_page_from_freelist+0x3d2/0x2f80 mm/page_alloc.c:3471
__alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4751
alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
stack_depot_save_flags+0x566/0x8f0 lib/stackdepot.c:627
kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
__kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544
task_work_add+0xc0/0x3b0 kernel/task_work.c:77
task_tick_numa kernel/sched/fair.c:3607 [inline]
task_tick_fair+0x524/0x8e0 kernel/sched/fair.c:13054
sched_tick+0x1dd/0x4f0 kernel/sched/core.c:5652
update_process_times+0x19c/0x2d0 kernel/time/timer.c:2524
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x376/0x530 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7ff46ed165f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fff9abed8a8 EFLAGS: 00000246
RAX: fffffffffffffffe RBX: 000055ebe61c9210 RCX: 00007ff46ed165f4
RDX: 00007fff9abed8b8 RSI: 00007fff9abedd48 RDI: 00000000ffffff9c
RBP: 00007fff9abed948 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9abedd48
R13: 00007fff9abed8b8 R14: 000055ebe619a2c0 R15: 0000000000000000
final repro crashed as (corrupted=false):
=============================
[ BUG: Invalid wait context ]
6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0 Not tainted
-----------------------------
udevd/5352 is trying to lock:
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2307 [inline]
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x6bb/0x1600 mm/page_alloc.c:3001
other info that might help us debug this:
context-{2:2}
2 locks held by udevd/5352:
#0: ffff88806a73ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3030 [inline]
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3074 [inline]
#1: ffff88806a744c58 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x350/0x2f80 mm/page_alloc.c:3471
stack backtrace:
CPU: 1 UID: 0 PID: 5352 Comm: udevd Not tainted 6.13.0-rc1-syzkaller-00025-gfeffde684ac2 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline]
check_wait_context kernel/locking/lockdep.c:4898 [inline]
__lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5176
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
rmqueue_bulk mm/page_alloc.c:2307 [inline]
__rmqueue_pcplist+0x6bb/0x1600 mm/page_alloc.c:3001
rmqueue_pcplist mm/page_alloc.c:3043 [inline]
rmqueue mm/page_alloc.c:3074 [inline]
get_page_from_freelist+0x3d2/0x2f80 mm/page_alloc.c:3471
__alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4751
alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
stack_depot_save_flags+0x566/0x8f0 lib/stackdepot.c:627
kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
__kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544
task_work_add+0xc0/0x3b0 kernel/task_work.c:77
task_tick_numa kernel/sched/fair.c:3607 [inline]
task_tick_fair+0x524/0x8e0 kernel/sched/fair.c:13054
sched_tick+0x1dd/0x4f0 kernel/sched/core.c:5652
update_process_times+0x19c/0x2d0 kernel/time/timer.c:2524
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x376/0x530 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0033:0x7ff46ed165f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007fff9abed8a8 EFLAGS: 00000246
RAX: fffffffffffffffe RBX: 000055ebe61c9210 RCX: 00007ff46ed165f4
RDX: 00007fff9abed8b8 RSI: 00007fff9abedd48 RDI: 00000000ffffff9c
RBP: 00007fff9abed948 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff9abedd48
R13: 00007fff9abed8b8 R14: 000055ebe619a2c0 R15: 0000000000000000