Extracting prog: 1m17.169827025s Minimizing prog: 3m46.920077416s Simplifying prog options: 2m15.980657193s Extracting C: 22.399813036s 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: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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program crashed: BUG: scheduling while atomic in futex_wait_queue_me program crashed: BUG: scheduling while atomic in futex_wait_queue_me single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=30.888388288s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) program did not crash testing program (duration=30.888388288s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") ioctl$EXT4_IOC_GET_ES_CACHE(0xffffffffffffffff, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program did not crash testing program (duration=30.888388288s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program did not crash testing program (duration=30.888388288s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$eJxiGAWjYBSMWPDo4dcHvU4WIToMDAw8DCoM7FDxF8wINUxI6u/MLNWeaus6Z9PtpUfy+Gp3oZvHTqL9IGsOODIzlDBwQkX+/0eWVwGTjCwgV6hAxUIZmBg0GRgY9kO1qELFExiYGMKg7FQGRoZIKDsLiZ0PsyYnVS85PyclLTMn1QBEGIIIIxBhjGw/CwMDw9tGRoYUBgYGDrDr/v9nRJIvrqzKTszJSS1CZ7D+h9mDIUUqA1/4gd3nyMRgCw+9//9B8RXR0dwI4uuBCDZUPYYMTAyGULYxAyNDMJRtwcDOoKenhwgSJP9LsSDMZybG/8iMuZT4nxldpAJNTcIjXNoFdakQ+tRnwJIgNKEQF4ajDKoxGNFFQBkaLiL2dtdpTF1PibXiSwFy5CJLMZKSZajEOPC/KjsRXHAxMDBgqLnERZqBJbGo/oKVK1gVI8onUOmtjlQ+sTCwwMsP/ZLcAv3iyirdzNzE9NT01DwjI2MzAxMDA1MjfXBBBCExyr0/8PKPA1w+cSGZz4qjrGRjZHOAc0qKDNkY2RgqEktKiowgJFKJG7wt/w1YGRO4/GNi0FCGaGOEFac4KjpGKGYC0yCWBjMO54yCUTAKRsEoGAWjYBSMglEwCkbBKBgFo2AUjIJRMApGAYlAnoERPAoKnaj6jwMYBYBVAwIAAP//14RaCg==") r0 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program did not crash testing program (duration=30.888388288s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30.888388288s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop a never seen crash title: BUG: scheduling while atomic in exit_to_user_mode_loop, ignore simplifying guilty program options testing program (duration=30.888388288s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program did not crash testing program (duration=30.888388288s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$eJxiGAWjYBSMWPDo4dcHvU4WIToMDAw8DCoM7FDxF8wINUxI6u/MLNWeaus6Z9PtpUfy+Gp3oZvHTqL9IGsOODIzlDBwQkX+/0eWVwGTjCwgV6hAxUIZmBg0GRgY9kO1qELFExiYGMKg7FQGRoZIKDsLiZ0PsyYnVS85PyclLTMn1QBEGIIIIxBhjGw/CwMDw9tGRoYUBgYGDrDr/v9nRJIvrqzKTszJSS1CZ7D+h9mDIUUqA1/4gd3nyMRgCw+9//9B8RXR0dwI4uuBCDZUPYYMTAyGULYxAyNDMJRtwcDOoKenhwgSJP9LsSDMZybG/8iMuZT4nxldpAJNTcIjXNoFdakQ+tRnwJIgNKEQF4ajDKoxGNFFQBkaLiL2dtdpTF1PibXiSwFy5CJLMZKSZajEOPC/KjsRXHAxMDBgqLnERZqBJbGo/oKVK1gVI8onUOmtjlQ+sTCwwMsP/ZLcAv3iyirdzNzE9NT01DwjI2MzAxMDA1MjfXBBBCExyr0/8PKPA1w+cSGZz4qjrGRjZHOAc0qKDNkY2RgqEktKiowgJFKJG7wt/w1YGRO4/GNi0FCGaGOEFac4KjpGKGYC0yCWBjMO54yCUTAKRsEoGAWjYBSMglEwCkbBKBgFo2AUjIJRMApGAYlAnoERPAoKnaj6jwMYBYBVAwIAAP//14RaCg==") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop a never seen crash title: BUG: scheduling while atomic in exit_to_user_mode_loop, ignore testing program (duration=30.888388288s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop a never seen crash title: BUG: scheduling while atomic in exit_to_user_mode_loop, ignore testing program (duration=30.888388288s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop validation run: crashed=true testing program (duration=30.888388288s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$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") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop validation run: crashed=true testing program (duration=30.888388288s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$erofs-openat-ioctl$EXT4_IOC_GET_ES_CACHE detailed listing: executing program 0: syz_mount_image$erofs(&(0x7f0000000080), &(0x7f0000000000)='./file0\x00', 0x2008018, &(0x7f00000000c0)=ANY=[], 0x5, 0x202, &(0x7f00000002c0)="$eJxiGAWjYBSMWPDo4dcHvU4WIToMDAw8DCoM7FDxF8wINUxI6u/MLNWeaus6Z9PtpUfy+Gp3oZvHTqL9IGsOODIzlDBwQkX+/0eWVwGTjCwgV6hAxUIZmBg0GRgY9kO1qELFExiYGMKg7FQGRoZIKDsLiZ0PsyYnVS85PyclLTMn1QBEGIIIIxBhjGw/CwMDw9tGRoYUBgYGDrDr/v9nRJIvrqzKTszJSS1CZ7D+h9mDIUUqA1/4gd3nyMRgCw+9//9B8RXR0dwI4uuBCDZUPYYMTAyGULYxAyNDMJRtwcDOoKenhwgSJP9LsSDMZybG/8iMuZT4nxldpAJNTcIjXNoFdakQ+tRnwJIgNKEQF4ajDKoxGNFFQBkaLiL2dtdpTF1PibXiSwFy5CJLMZKSZajEOPC/KjsRXHAxMDBgqLnERZqBJbGo/oKVK1gVI8onUOmtjlQ+sTCwwMsP/ZLcAv3iyirdzNzE9NT01DwjI2MzAxMDA1MjfXBBBCExyr0/8PKPA1w+cSGZz4qjrGRjZHOAc0qKDNkY2RgqEktKiowgJFKJG7wt/w1YGRO4/GNi0FCGaGOEFac4KjpGKGYC0yCWBjMO54yCUTAKRsEoGAWjYBSMglEwCkbBKBgFo2AUjIJRMApGAYlAnoERPAoKnaj6jwMYBYBVAwIAAP//14RaCg==") r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='.\x00', 0x0, 0x0) ioctl$EXT4_IOC_GET_ES_CACHE(r0, 0xc020660b, &(0x7f0000000240)={0x402a, 0x10100002000001, 0x0, 0x7}) program crashed: BUG: scheduling while atomic in exit_to_user_mode_loop validation run: crashed=true reproducing took 9m24.632437269s repro crashed as (corrupted=false): erofs: (device loop0): mounted with root inode @ nid 36. BUG: scheduling while atomic: syz.0.17/406/0x00000002 Modules linked in: Preemption disabled at: [] kmap_atomic include/linux/highmem.h:156 [inline] [] z_erofs_reload_indexes+0x318/0x450 fs/erofs/zmap.c:148 CPU: 1 PID: 406 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 __schedule_bug+0x183/0x240 kernel/sched/core.c:4545 schedule_debug kernel/sched/core.c:4572 [inline] __schedule+0xc45/0x1320 kernel/sched/core.c:4700 schedule+0x13c/0x1d0 kernel/sched/core.c:4884 exit_to_user_mode_loop+0x4b/0xe0 kernel/entry/common.c:160 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f47f3b53cb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f47f39b80e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f47f3dcefa8 RCX: 00007f47f3b53cb9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f47f3dcefac RBP: 00007f47f3dcefa0 R08: 0027ab06c4a1152c R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f47f3dcf038 R14: 00007ffd9e71c030 R15: 00007ffd9e71c118 final repro crashed as (corrupted=false): erofs: (device loop0): mounted with root inode @ nid 36. BUG: scheduling while atomic: syz.0.17/406/0x00000002 Modules linked in: Preemption disabled at: [] kmap_atomic include/linux/highmem.h:156 [inline] [] z_erofs_reload_indexes+0x318/0x450 fs/erofs/zmap.c:148 CPU: 1 PID: 406 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 dump_stack+0x15/0x1c lib/dump_stack.c:135 __schedule_bug+0x183/0x240 kernel/sched/core.c:4545 schedule_debug kernel/sched/core.c:4572 [inline] __schedule+0xc45/0x1320 kernel/sched/core.c:4700 schedule+0x13c/0x1d0 kernel/sched/core.c:4884 exit_to_user_mode_loop+0x4b/0xe0 kernel/entry/common.c:160 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f47f3b53cb9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f47f39b80e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f47f3dcefa8 RCX: 00007f47f3b53cb9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f47f3dcefac RBP: 00007f47f3dcefa0 R08: 0027ab06c4a1152c R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007f47f3dcf038 R14: 00007ffd9e71c030 R15: 00007ffd9e71c118