Extracting prog: 1m12.111124142s Minimizing prog: 5m33.864614303s Simplifying prog options: 0s Extracting C: 32.269309346s Simplifying C: 4m29.03468125s 1 programs, 3 VMs, timeouts [15s 1m40s 6m0s] extracting reproducer from 1 programs single: executing 1 programs separately with timeout 15s testing program (duration=15s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev detailed listing: executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x15) writev(r0, &(0x7f0000000400)=[{&(0x7f0000000180)="83fc8b841d073a98055c269b9c7f8bf7e3f09bd3b72f4d52937848fd386619e916186d47d6e42d862c635fd6547ebc2b11d4a8d3c0e6600d320edcd1ac6173b25e7facda943a596294c838245fd78c9e9e40e1037f4fd1c7dea87524f175fd0c6fcb7591a757bc2c3741fdf2b79b44682761b41d973c05f21bf6bc15245501935483dc5a8101f9f9f88f7671a3d1fe078782", 0x92}, {0x0}, {0x0}, {0x0}], 0x4) program crashed: INFO: trying to register non-static key in gsmld_write single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD detailed listing: executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x15) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-writev detailed listing: executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) writev(r0, &(0x7f0000000400)=[{&(0x7f0000000180)="83fc8b841d073a98055c269b9c7f8bf7e3f09bd3b72f4d52937848fd386619e916186d47d6e42d862c635fd6547ebc2b11d4a8d3c0e6600d320edcd1ac6173b25e7facda943a596294c838245fd78c9e9e40e1037f4fd1c7dea87524f175fd0c6fcb7591a757bc2c3741fdf2b79b44682761b41d973c05f21bf6bc15245501935483dc5a8101f9f9f88f7671a3d1fe078782", 0x92}, {0x0}, {0x0}, {0x0}], 0x4) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$TIOCSETD-writev detailed listing: executing program 0: ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000040)=0x15) writev(0xffffffffffffffff, &(0x7f0000000400)=[{&(0x7f0000000180)="83fc8b841d073a98055c269b9c7f8bf7e3f09bd3b72f4d52937848fd386619e916186d47d6e42d862c635fd6547ebc2b11d4a8d3c0e6600d320edcd1ac6173b25e7facda943a596294c838245fd78c9e9e40e1037f4fd1c7dea87524f175fd0c6fcb7591a757bc2c3741fdf2b79b44682761b41d973c05f21bf6bc15245501935483dc5a8101f9f9f88f7671a3d1fe078782", 0x92}, {0x0}, {0x0}, {0x0}], 0x4) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev detailed listing: executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) writev(r0, &(0x7f0000000400)=[{&(0x7f0000000180)="83fc8b841d073a98055c269b9c7f8bf7e3f09bd3b72f4d52937848fd386619e916186d47d6e42d862c635fd6547ebc2b11d4a8d3c0e6600d320edcd1ac6173b25e7facda943a596294c838245fd78c9e9e40e1037f4fd1c7dea87524f175fd0c6fcb7591a757bc2c3741fdf2b79b44682761b41d973c05f21bf6bc15245501935483dc5a8101f9f9f88f7671a3d1fe078782", 0x92}, {0x0}, {0x0}, {0x0}], 0x4) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev detailed listing: executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x15) writev(r0, 0x0, 0x0) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev detailed listing: executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x15) writev(r0, &(0x7f0000000400)=[{0x0}, {0x0}, {0x0}, {0x0}], 0x4) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev detailed listing: executing program 0: r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x15) writev(r0, &(0x7f0000000400)=[{&(0x7f0000000180)}, {0x0}, {0x0}, {0x0}], 0x4) program did not crash extracting C reproducer testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write simplifying C reproducer testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write testing compiled C program (duration=22.5s, {Threaded:false 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}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$tty20-ioctl$TIOCSETD-writev program crashed: INFO: trying to register non-static key in gsmld_write reproducing took 11m47.279746891s repro crashed as (corrupted=false): INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 3965 Comm: syz-executor941 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 assign_lock_key+0x1e4/0x1f0 kernel/locking/lockdep.c:937 register_lock_class+0x148/0x6a4 kernel/locking/lockdep.c:1250 __lock_acquire+0x184/0x7638 kernel/locking/lockdep.c:4891 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162 gsmld_write+0x60/0x164 drivers/tty/n_gsm.c:2929 do_tty_write drivers/tty/tty_io.c:1038 [inline] file_tty_write+0x44c/0x758 drivers/tty/tty_io.c:1110 tty_write+0x48/0x58 drivers/tty/tty_io.c:1131 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x664 fs/read_write.c:855 vfs_writev fs/read_write.c:928 [inline] do_writev+0x220/0x3ec fs/read_write.c:971 __do_sys_writev fs/read_write.c:1044 [inline] __se_sys_writev fs/read_write.c:1041 [inline] __arm64_sys_writev+0x80/0x94 fs/read_write.c:1041 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 BUG: sleeping function called from invalid context at kernel/printk/printk.c:2555 in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 3965, name: syz-executor941 INFO: lockdep is turned off. irq event stamp: 14238 hardirqs last enabled at (14237): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (14237): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (14238): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (14238): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (13796): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (13796): [] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587 softirqs last disabled at (13755): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (13755): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (13755): [] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637 Preemption disabled at: [] gsmld_write+0x60/0x164 drivers/tty/n_gsm.c:2929 CPU: 0 PID: 3965 Comm: syz-executor941 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 ___might_sleep+0x380/0x4dc kernel/sched/core.c:9626 __might_sleep+0x98/0xf0 kernel/sched/core.c:9580 console_lock+0x30/0x16c kernel/printk/printk.c:2555 do_con_write+0x110/0x5934 drivers/tty/vt/vt.c:2908 con_write+0x34/0x58 drivers/tty/vt/vt.c:3295 gsmld_write+0x108/0x164 drivers/tty/n_gsm.c:2932 do_tty_write drivers/tty/tty_io.c:1038 [inline] file_tty_write+0x44c/0x758 drivers/tty/tty_io.c:1110 tty_write+0x48/0x58 drivers/tty/tty_io.c:1131 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x664 fs/read_write.c:855 vfs_writev fs/read_write.c:928 [inline] do_writev+0x220/0x3ec fs/read_write.c:971 __do_sys_writev fs/read_write.c:1044 [inline] __se_sys_writev fs/read_write.c:1041 [inline] __arm64_sys_writev+0x80/0x94 fs/read_write.c:1041 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 final repro crashed as (corrupted=false): INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 3965 Comm: syz-executor941 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 assign_lock_key+0x1e4/0x1f0 kernel/locking/lockdep.c:937 register_lock_class+0x148/0x6a4 kernel/locking/lockdep.c:1250 __lock_acquire+0x184/0x7638 kernel/locking/lockdep.c:4891 lock_acquire+0x240/0x77c kernel/locking/lockdep.c:5623 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xc4/0x14c kernel/locking/spinlock.c:162 gsmld_write+0x60/0x164 drivers/tty/n_gsm.c:2929 do_tty_write drivers/tty/tty_io.c:1038 [inline] file_tty_write+0x44c/0x758 drivers/tty/tty_io.c:1110 tty_write+0x48/0x58 drivers/tty/tty_io.c:1131 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x664 fs/read_write.c:855 vfs_writev fs/read_write.c:928 [inline] do_writev+0x220/0x3ec fs/read_write.c:971 __do_sys_writev fs/read_write.c:1044 [inline] __se_sys_writev fs/read_write.c:1041 [inline] __arm64_sys_writev+0x80/0x94 fs/read_write.c:1041 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 BUG: sleeping function called from invalid context at kernel/printk/printk.c:2555 in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 3965, name: syz-executor941 INFO: lockdep is turned off. irq event stamp: 14238 hardirqs last enabled at (14237): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (14237): [] _raw_spin_unlock_irqrestore+0xac/0x158 kernel/locking/spinlock.c:194 hardirqs last disabled at (14238): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (14238): [] _raw_spin_lock_irqsave+0xfc/0x14c kernel/locking/spinlock.c:162 softirqs last enabled at (13796): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (13796): [] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587 softirqs last disabled at (13755): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (13755): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (13755): [] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637 Preemption disabled at: [] gsmld_write+0x60/0x164 drivers/tty/n_gsm.c:2929 CPU: 0 PID: 3965 Comm: syz-executor941 Not tainted 5.15.160-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call trace: dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 ___might_sleep+0x380/0x4dc kernel/sched/core.c:9626 __might_sleep+0x98/0xf0 kernel/sched/core.c:9580 console_lock+0x30/0x16c kernel/printk/printk.c:2555 do_con_write+0x110/0x5934 drivers/tty/vt/vt.c:2908 con_write+0x34/0x58 drivers/tty/vt/vt.c:3295 gsmld_write+0x108/0x164 drivers/tty/n_gsm.c:2932 do_tty_write drivers/tty/tty_io.c:1038 [inline] file_tty_write+0x44c/0x758 drivers/tty/tty_io.c:1110 tty_write+0x48/0x58 drivers/tty/tty_io.c:1131 do_iter_readv_writev+0x420/0x5f8 do_iter_write+0x1b8/0x664 fs/read_write.c:855 vfs_writev fs/read_write.c:928 [inline] do_writev+0x220/0x3ec fs/read_write.c:971 __do_sys_writev fs/read_write.c:1044 [inline] __se_sys_writev fs/read_write.c:1041 [inline] __arm64_sys_writev+0x80/0x94 fs/read_write.c:1041 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584