[RHEL 8] kernel crash in ch_release() during changer device release when multiple processes had it open

Issue

System crashes with kernel panic stack trace:

crash> bt
PID: 15217    TASK: ffff8a7602090000  CPU: 17   COMMAND: "scsieject"
 #0 [ffffad1e4d84b9e8] machine_kexec at ffffffffaa8650ce
 #1 [ffffad1e4d84ba40] __crash_kexec at ffffffffaa9a53dd
 #2 [ffffad1e4d84bb08] crash_kexec at ffffffffaa9a62cd
 #3 [ffffad1e4d84bb20] oops_end at ffffffffaa8264cd
 #4 [ffffad1e4d84bb40] no_context at ffffffffaa8763bf
 #5 [ffffad1e4d84bb98] __bad_area_nosemaphore at ffffffffaa87671c
 #6 [ffffad1e4d84bbe0] do_page_fault at ffffffffaa876fb7
 #7 [ffffad1e4d84bc10] page_fault at ffffffffab20111e
    [exception RIP: scsi_device_put+0x6]
    RIP: ffffffffaae5b766  RSP: ffffad1e4d84bcc8  RFLAGS: 00010286
    RAX: ffffffffc0b3d990  RBX: ffff8a71877eb500  RCX: ffff8a7188efa880
    RDX: ffff8a718ecf94d0  RSI: ffff8a718ecf9400  RDI: 0000000000000000
    RBP: ffff8a718ecf9400   R8: 0000000000000000   R9: 0000000000000000
    R10: ffffad1e4d84bcf0  R11: ffff8a718ecf9410  R12: 000000000008001f
    R13: ffff8a7193c90078  R14: ffff8a7188efa8a0  R15: ffff8a718dbfb5c0
    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018
 #8 [ffffad1e4d84bcd0] ch_release at ffffffffc0b3d9aa [ch]
 #9 [ffffad1e4d84bce8] __fput at ffffffffaab40f4e
#10 [ffffad1e4d84bd30] task_work_run at ffffffffaa91009a
#11 [ffffad1e4d84bd68] do_exit at ffffffffaa8f247d
#12 [ffffad1e4d84bdd8] do_group_exit at ffffffffaa8f2cda
#13 [ffffad1e4d84be00] get_signal at ffffffffaa8ff7c8
#14 [ffffad1e4d84be58] do_signal at ffffffffaa821fd6
#15 [ffffad1e4d84bf20] exit_to_usermode_loop at ffffffffaa803c59
#16 [ffffad1e4d84bf38] do_syscall_64 at ffffffffaa804448
#17 [ffffad1e4d84bf50] entry_SYSCALL_64_after_hwframe at ffffffffab2000ad