https://bugzilla.suse.com/show_bug.cgi?id=1226443
https://bugzilla.suse.com/show_bug.cgi?id=1226443#c3
--- Comment #3 from Dmitry Kobelev ---
Backtrace from kernel dump #1:
PID: 22156 TASK: ffff9f3290050000 CPU: 1 COMMAND: "kworker/1:0"
#0 [ffffc29c00180c00] machine_kexec at ffffffffb2e903ef
#1 [ffffc29c00180c58] __crash_kexec at ffffffffb2fbfeae
#2 [ffffc29c00180d18] crash_kexec at ffffffffb2fc03d4
#3 [ffffc29c00180d20] oops_end at ffffffffb2e48c84
#4 [ffffc29c00180d40] page_fault_oops at ffffffffb2ea3839
#5 [ffffc29c00180dc8] exc_page_fault at ffffffffb3b00e63
#6 [ffffc29c00180df0] asm_exc_page_fault at ffffffffb3c012a6
[exception RIP: rb_first+15]
RIP: ffffffffb3a8c8ff RSP: ffffc29c00180ea0 RFLAGS: 00210202
RAX: 0000000000000057 RBX: ffff9f339ded76d8 RCX: 00000000010000d1
RDX: 0000000000000057 RSI: 0000000000000000 RDI: ffff9f326ec65128
RBP: ffff9f339ded7660 R8: ffff9f32f1c43700 R9: 00000000010000d1
R10: 00000000010000d1 R11: 0000000000000001 R12: 0000000000000000
R13: ffff9f326ec65128 R14: 000000000000000a R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#7 [ffffc29c00180ea0] simple_xattrs_free at ffffffffb324daf9
#8 [ffffc29c00180ec8] kernfs_free_rcu at ffffffffb32d7a2f
#9 [ffffc29c00180ee0] rcu_do_batch at ffffffffb2f7660f
#10 [ffffc29c00180f58] rcu_core at ffffffffb2f79bd9
#11 [ffffc29c00180fa0] handle_softirqs at ffffffffb2ec96cf
#12 [ffffc29c00180ff0] do_softirq at ffffffffb2ec93bb
--- <IRQ stack> ---
[exception RIP: unknown or invalid address]
RIP: ffff9f327af3bf80 RSP: ffffffffb2ef228f RFLAGS: ffffffffb2ee8030
RAX: ffff9f32f4e23cc0 RBX: ffff9f34adabba00 RCX: ffffffffb2ee8321
RDX: ffff9f327af3bf80 RSI: ffff9f33008ce540 RDI: ffff9f3290050000
RBP: ffff9f324103c605 R8: ffff9f32f4e23d00 R9: ffff9f34adabba00
R10: 61c8864680b583eb R11: ffff9f34adabba28 R12: ffffffffb2ee700d
R13: ffff9f3290050000 R14: ffff9f34adabba00 R15: ffff9f324103c600
ORIG_RAX: ffffc29c107afda0 CS: ffff9f32f4e23cc0 SS: ffffc29c06b1ff48
bt: WARNING: possibly bogus exception frame
#14 [ffffc29c06b1ff20] ret_from_fork at ffffffffb2e52ce1
#15 [ffffc29c06b1ff40] ret_from_fork_asm at ffffffffb2e044aa
---
#2:
PID: 1 TASK: ffff8a4480b10000 CPU: 5 COMMAND: "systemd"
#0 [ffffa6bf400338d0] machine_kexec at ffffffff868903ef
#1 [ffffa6bf40033928] __crash_kexec at ffffffff869bfeae
#2 [ffffa6bf400339e8] crash_kexec at ffffffff869c03d4
#3 [ffffa6bf400339f0] oops_end at ffffffff86848c84
#4 [ffffa6bf40033a10] page_fault_oops at ffffffff868a3839
#5 [ffffa6bf40033a98] exc_page_fault at ffffffff87500e63
#6 [ffffa6bf40033ac0] asm_exc_page_fault at ffffffff876012a6
[exception RIP: simple_xattr_set+107]
RIP: ffffffff86c4d75b RSP: ffffa6bf40033b78 RFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000026 RCX: 0000000000000000
RDX: 00000000000000ff RSI: ffffa6bf40033c98 RDI: ffff8a4481dab270
RBP: ffffa6bf40033c98 R8: 0000000000000002 R9: 0000000000000000
R10: ffffa6bf40033c98 R11: 0000000000000002 R12: 0000000000000000
R13: ffff8a4481dab268 R14: 0000000000000002 R15: ffff8a4481dab270
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#7 [ffffa6bf40033ba8] kernfs_vfs_user_xattr_set at ffffffff86cd6e11
#8 [ffffa6bf40033bd8] __vfs_removexattr at ffffffff86c4b790
#9 [ffffa6bf40033c18] __vfs_removexattr_locked at ffffffff86c4bc8b
#10 [ffffa6bf40033c50] vfs_removexattr at ffffffff86c4bd88
#11 [ffffa6bf40033c90] removexattr at ffffffff86c4beb7
#12 [ffffa6bf40033db0] path_removexattr at ffffffff86c4bff4
#13 [ffffa6bf40033df0] __x64_sys_removexattr at ffffffff86c4c04b
#14 [ffffa6bf40033df8] do_syscall_64 at ffffffff874f94b2
#15 [ffffa6bf40033f40] entry_SYSCALL_64_after_hwframe at ffffffff8760012f
[exception RIP: unknown or invalid address]
RIP: 0000000000000246 RSP: 0000000000000000 RFLAGS: 0000002b
RAX: 0000000000000000 RBX: 0000563b51aae560 RCX: 00007f6d9095f2cc
RDX: 0000563b51aae560 RSI: 00000000000000c5 RDI: 00007f6d901112db
RBP: 0000000000000246 R8: 00007f6d901112db R9: ffffffffffffffda
R10: 0000563b51744010 R11: 0000000000000000 R12: 0000000000000000
R13: 00007f6d9095f2cc R14: 00007f6d9095f2cc R15: 0000000000000003
ORIG_RAX: 0000000000000033 CS: 7ffc5c4dd208 SS: 0000
bt: WARNING: possibly bogus exception frame
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