INFO: task syz.2.19:6422 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:27032 pid:6422 tgid:6422 ppid:6250 task_flags:0x440040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1539/0x5080 kernel/sched/core.c:6907
__schedule_loop kernel/sched/core.c:6989 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7004
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061
rwsem_down_read_slowpath+0x61e/0x920 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1261 [inline]
__down_read kernel/locking/rwsem.c:1274 [inline]
down_read+0x99/0x2e0 kernel/locking/rwsem.c:1539
filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400
filemap_fault+0x703/0x12d0 mm/filemap.c:3549
__do_fault+0x138/0x390 mm/memory.c:5373
do_shared_fault mm/memory.c:5872 [inline]
do_fault mm/memory.c:5946 [inline]
do_pte_missing+0x5c4/0x3750 mm/memory.c:4487
handle_pte_fault mm/memory.c:6326 [inline]
__handle_mm_fault mm/memory.c:6464 [inline]
handle_mm_fault+0x1bec/0x3310 mm/memory.c:6633
do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f2e435692d8
RSP: 002b:00007ffe08f142a8 EFLAGS: 00010202
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000200000000080
RBP: fffffffffffffffe R08: 0000001b32420000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 00007ffe08f143d0
R13: 00007f2e437e5fac R14: 000000000001f4df R15: 00007f2e437e5fa0
INFO: task syz.0.17:6438 blocked for more than 143 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17 state:D stack:27032 pid:6438 tgid:6438 ppid:6243 task_flags:0x440040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1539/0x5080 kernel/sched/core.c:6907
__schedule_loop kernel/sched/core.c:6989 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7004
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061
rwsem_down_read_slowpath+0x61e/0x920 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1261 [inline]
__down_read kernel/locking/rwsem.c:1274 [inline]
down_read+0x99/0x2e0 kernel/locking/rwsem.c:1539
filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400
filemap_fault+0x703/0x12d0 mm/filemap.c:3549
__do_fault+0x138/0x390 mm/memory.c:5373
do_shared_fault mm/memory.c:5872 [inline]
do_fault mm/memory.c:5946 [inline]
do_pte_missing+0x5c4/0x3750 mm/memory.c:4487
handle_pte_fault mm/memory.c:6326 [inline]
__handle_mm_fault mm/memory.c:6464 [inline]
handle_mm_fault+0x1bec/0x3310 mm/memory.c:6633
do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f66f41692d8
RSP: 002b:00007ffe4bfc3a18 EFLAGS: 00010202
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000200000000080
RBP: fffffffffffffffe R08: 0000001b32120000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 00007ffe4bfc3b40
R13: 00007f66f43e5fac R14: 000000000001f810 R15: 00007f66f43e5fa0
INFO: task syz.3.20:6442 blocked for more than 144 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.20 state:D stack:26360 pid:6442 tgid:6442 ppid:6254 task_flags:0x440040 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1539/0x5080 kernel/sched/core.c:6907
__schedule_loop kernel/sched/core.c:6989 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7004
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7061
rwsem_down_read_slowpath+0x61e/0x920 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1261 [inline]
__down_read kernel/locking/rwsem.c:1274 [inline]
down_read+0x99/0x2e0 kernel/locking/rwsem.c:1539
filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400
filemap_fault+0x703/0x12d0 mm/filemap.c:3549
__do_fault+0x138/0x390 mm/memory.c:5373
do_shared_fault mm/memory.c:5872 [inline]
do_fault mm/memory.c:5946 [inline]
do_pte_missing+0x5c4/0x3750 mm/memory.c:4487
handle_pte_fault mm/memory.c:6326 [inline]
__handle_mm_fault mm/memory.c:6464 [inline]
handle_mm_fault+0x1bec/0x3310 mm/memory.c:6633
do_user_addr_fault+0xa73/0x1340 arch/x86/mm/fault.c:1334
handle_page_fault arch/x86/mm/fault.c:1474 [inline]
exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fc221b692d8
RSP: 002b:00007fff1af17318 EFLAGS: 00010202
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000200000000080
RBP: fffffffffffffffe R08: 0000001b32620000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 00007fff1af17440
R13: 00007fc221de5fac R14: 000000000001f8c7 R15: 00007fc221de5fa0
Showing all locks held in the system:
3 locks held by kworker/u8:1/13:
#0: ffff8880324e1148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x855/0x15a0 kernel/workqueue.c:3254
#1: ffffc90000127c40 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x87c/0x15a0 kernel/workqueue.c:3255
#2: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#2: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11e/0x14c0 net/ipv6/addrconf.c:4199
1 lock held by khungtaskd/30:
#0: ffffffff8e960160 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
#0: ffffffff8e960160 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:850 [inline]
#0: ffffffff8e960160 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6775
3 locks held by kworker/u8:4/58:
3 locks held by kworker/u8:6/3555:
3 locks held by kworker/u8:7/3565:
#0: ffff88813fe0c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x855/0x15a0 kernel/workqueue.c:3254
#1: ffffc9000ba0fc40 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x87c/0x15a0 kernel/workqueue.c:3255
#2: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:303
2 locks held by getty/5579:
#0: ffff888032ede0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900036be2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0 drivers/tty/n_tty.c:2211
2 locks held by syz.1.18/6406:
1 lock held by syz.2.19/6422:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.0.17/6438:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.3.20/6442:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.4.21/6651:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.5.22/6664:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.7.24/6666:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.6.23/6668:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.8.25/6763:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.9.26/6767:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.1.27/6770:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.2.28/6772:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.3.30/6860:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.0.29/6869:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.5.32/6871:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.4.31/6873:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.6.33/6976:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.7.34/6980:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.8.35/6982:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.9.36/6984:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.1.37/7063:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.0.39/7069:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.2.38/7075:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz.3.40/7077:
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: filemap_invalidate_lock_shared include/linux/fs.h:1093 [inline]
#0: ffff888024594e48 (mapping.invalidate_lock){++++}-{4:4}, at: page_cache_ra_order+0x379/0xe50 mm/readahead.c:494
1 lock held by syz-executor/7082:
#0: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_newaddr+0x65f/0xe30 net/ipv6/addrconf.c:5032
1 lock held by syz-executor/7091:
#0: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#0: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#0: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x8a1/0x1be0 net/core/rtnetlink.c:4071
4 locks held by syz-executor/7097:
#0: ffff888035ee6420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2710 [inline]
#0: ffff888035ee6420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x227/0xb90 fs/read_write.c:684
#1: ffff88804c497088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1de/0x540 fs/kernfs/file.c:343
#2: ffff888029414d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff888029414d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x231/0x540 fs/kernfs/file.c:344
#3: ffffffff8f65ad28 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd7/0x370 drivers/net/netdevsim/bus.c:234
8 locks held by syz-executor/7100:
#0: ffff888035ee6420 (sb_writers#7){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2710 [inline]
#0: ffff888035ee6420 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x227/0xb90 fs/read_write.c:684
#1: ffff888042bc8c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1de/0x540 fs/kernfs/file.c:343
#2: ffff888029414d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
#2: ffff888029414d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x231/0x540 fs/kernfs/file.c:344
#3: ffffffff8f65ad28 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd7/0x370 drivers/net/netdevsim/bus.c:234
#4: ffff888050e470e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:895 [inline]
#4: ffff888050e470e8 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1106 [inline]
#4: ffff888050e470e8 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xb6/0x860 drivers/base/dd.c:1304
#5: ffff888050e46250 (&devlink->lock_key#22){+.+.}-{4:4}, at: nsim_drv_remove+0x50/0x170 drivers/net/netdevsim/dev.c:1779
#6: ffffffff8fde62c8 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0xed/0x680 drivers/net/netdevsim/netdev.c:1178
#7: ffffffff8e9663f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:311 [inline]
#7: ffffffff8e9663f8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x2d0/0x770 kernel/rcu/tree_exp.h:961
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x17a/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline]
__sys_info lib/sys_info.c:157 [inline]
sys_info+0x135/0x170 lib/sys_info.c:165
check_hung_uninterruptible_tasks kernel/hung_task.c:347 [inline]
watchdog+0xff4/0x1040 kernel/hung_task.c:516
kthread+0x388/0x470 kernel/kthread.c:467
ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:63
Code: d1 7e 02 e9 83 e6 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 4f 1c 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
RSP: 0018:ffffc90000197e20 EFLAGS: 00000246
RAX: 0000000000165d53 RBX: ffffffff819a6abd RCX: 0000000080000001
RDX: 0000000000000001 RSI: ffffffff8e002142 RDI: ffffffff8c298200
RBP: ffffc90000197f10 R08: ffff8880b853375b R09: 1ffff110170a66eb
R10: dffffc0000000000 R11: ffffed10170a66ec R12: ffffffff9032fab0
R13: 1ffff11003bd4000 R14: 0000000000000001 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff888125142000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d7ed135c0 CR3: 000000000e74c000 CR4: 00000000003526f0
Call Trace:
arch_safe_halt arch/x86/kernel/process.c:766 [inline]
default_idle+0x9/0x20 arch/x86/kernel/process.c:767
default_idle_call+0x72/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x1bd/0x500 kernel/sched/idle.c:332
cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:430
start_secondary+0x101/0x110 arch/x86/kernel/smpboot.c:312
common_startup_64+0x13e/0x147
----------------
Code disassembly (best guess):
0: d1 7e 02 sarl $1,0x2(%rsi)
3: e9 83 e6 02 00 jmp 0x2e68b
8: cc int3
9: cc int3
a: cc int3
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: f3 0f 1e fa endbr64
1f: 66 90 xchg %ax,%ax
21: 0f 00 2d e3 4f 1c 00 verw 0x1c4fe3(%rip) # 0x1c500b
28: fb sti
29: f4 hlt
* 2a: c3 ret <-- trapping instruction
2b: cc int3
2c: cc int3
2d: cc int3
2e: cc int3
2f: cc int3
30: cc int3
31: cc int3
32: cc int3
33: cc int3
34: cc int3
35: cc int3
36: cc int3
37: cc int3
38: cc int3
39: cc int3
3a: cc int3
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop